diff --git a/.github/workflows/darwin-arm64.yml b/.github/workflows/darwin-arm64.yml
index 1036105..03ab223 100644
--- a/.github/workflows/darwin-arm64.yml
+++ b/.github/workflows/darwin-arm64.yml
@@ -192,6 +192,40 @@ jobs:
           tag: bucket-darwin-arm64
           artifacts: "darwin-arm64-formal.tgz"
           token: ${{ secrets.GITHUB_TOKEN }}
+  darwin-arm64-imctk:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: 'yosyshq/oss-cad-suite-build'
+      - name: Cache sources
+        id: cache-sources
+        uses: actions/cache@v4
+        with:
+          path: _sources
+          key: cache-sources-imctk
+      - name: Download previous build
+        run: |
+          URL="https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-arm64/darwin-arm64-imctk.tgz"
+          if wget --spider "${URL}" 2>/dev/null; then
+              wget -qO- "${URL}" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+          else
+              echo "Previous version not found in bucket"
+          fi
+      - name: Build
+        run: ./builder.py build --arch=darwin-arm64 --target=imctk --single --tar
+      - uses: ncipollo/release-action@v1
+        if: hashFiles('darwin-arm64-imctk.tgz') != ''
+        with:
+          allowUpdates: True
+          prerelease: True
+          omitBody: True
+          omitBodyDuringUpdate: True
+          omitNameDuringUpdate: True
+          tag: bucket-darwin-arm64
+          artifacts: "darwin-arm64-imctk.tgz"
+          token: ${{ secrets.GITHUB_TOKEN }}
   darwin-arm64-ghdl:
     runs-on: ubuntu-latest
     continue-on-error: true
@@ -1519,7 +1553,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
   darwin-arm64-default:
     runs-on: ubuntu-latest
-    needs: [ darwin-arm64-aiger, darwin-arm64-apicula, darwin-arm64-avy, darwin-arm64-bitwuzla, darwin-arm64-boolector, darwin-arm64-cvc4, darwin-arm64-cvc5, darwin-arm64-eqy, darwin-arm64-formal, darwin-arm64-ghdl, darwin-arm64-ghdl-yosys-plugin, darwin-arm64-graphviz, darwin-arm64-gtkwave, darwin-arm64-icestorm, darwin-arm64-iverilog, darwin-arm64-nextpnr-ecp5, darwin-arm64-nextpnr-generic, darwin-arm64-nextpnr-himbaechel, darwin-arm64-nextpnr-ice40, darwin-arm64-nextpnr-machxo2, darwin-arm64-nextpnr-nexus, darwin-arm64-openfpgaloader, darwin-arm64-pono, darwin-arm64-prjoxide, darwin-arm64-prjtrellis, darwin-arm64-pyhdl, darwin-arm64-python-programmers, darwin-arm64-python3, darwin-arm64-system-resources, darwin-arm64-utils, darwin-arm64-verilator, darwin-arm64-xdot, darwin-arm64-yices, darwin-arm64-yosys, darwin-arm64-z3 ]
+    needs: [ darwin-arm64-aiger, darwin-arm64-apicula, darwin-arm64-avy, darwin-arm64-bitwuzla, darwin-arm64-boolector, darwin-arm64-cvc4, darwin-arm64-cvc5, darwin-arm64-eqy, darwin-arm64-formal, darwin-arm64-ghdl, darwin-arm64-ghdl-yosys-plugin, darwin-arm64-graphviz, darwin-arm64-gtkwave, darwin-arm64-icestorm, darwin-arm64-imctk, darwin-arm64-iverilog, darwin-arm64-nextpnr-ecp5, darwin-arm64-nextpnr-generic, darwin-arm64-nextpnr-himbaechel, darwin-arm64-nextpnr-ice40, darwin-arm64-nextpnr-machxo2, darwin-arm64-nextpnr-nexus, darwin-arm64-openfpgaloader, darwin-arm64-pono, darwin-arm64-prjoxide, darwin-arm64-prjtrellis, darwin-arm64-pyhdl, darwin-arm64-python-programmers, darwin-arm64-python3, darwin-arm64-system-resources, darwin-arm64-utils, darwin-arm64-verilator, darwin-arm64-xdot, darwin-arm64-yices, darwin-arm64-yosys, darwin-arm64-z3 ]
     steps:
       - name: Get current date
         id: date
@@ -1555,6 +1589,8 @@ jobs:
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-arm64/darwin-arm64-gtkwave.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download darwin-arm64-icestorm
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-arm64/darwin-arm64-icestorm.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+      - name: Download darwin-arm64-imctk
+        run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-arm64/darwin-arm64-imctk.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download darwin-arm64-iverilog
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-arm64/darwin-arm64-iverilog.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download darwin-arm64-nextpnr-ecp5
diff --git a/.github/workflows/darwin-x64.yml b/.github/workflows/darwin-x64.yml
index 63f219a..e29e84b 100644
--- a/.github/workflows/darwin-x64.yml
+++ b/.github/workflows/darwin-x64.yml
@@ -192,6 +192,40 @@ jobs:
           tag: bucket-darwin-x64
           artifacts: "darwin-x64-formal.tgz"
           token: ${{ secrets.GITHUB_TOKEN }}
+  darwin-x64-imctk:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: 'yosyshq/oss-cad-suite-build'
+      - name: Cache sources
+        id: cache-sources
+        uses: actions/cache@v4
+        with:
+          path: _sources
+          key: cache-sources-imctk
+      - name: Download previous build
+        run: |
+          URL="https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-x64/darwin-x64-imctk.tgz"
+          if wget --spider "${URL}" 2>/dev/null; then
+              wget -qO- "${URL}" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+          else
+              echo "Previous version not found in bucket"
+          fi
+      - name: Build
+        run: ./builder.py build --arch=darwin-x64 --target=imctk --single --tar
+      - uses: ncipollo/release-action@v1
+        if: hashFiles('darwin-x64-imctk.tgz') != ''
+        with:
+          allowUpdates: True
+          prerelease: True
+          omitBody: True
+          omitBodyDuringUpdate: True
+          omitNameDuringUpdate: True
+          tag: bucket-darwin-x64
+          artifacts: "darwin-x64-imctk.tgz"
+          token: ${{ secrets.GITHUB_TOKEN }}
   darwin-x64-ghdl:
     runs-on: ubuntu-latest
     continue-on-error: true
@@ -1558,7 +1592,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
   darwin-x64-default:
     runs-on: ubuntu-latest
-    needs: [ darwin-x64-aiger, darwin-x64-apicula, darwin-x64-avy, darwin-x64-bitwuzla, darwin-x64-boolector, darwin-x64-cocotb, darwin-x64-cvc4, darwin-x64-cvc5, darwin-x64-eqy, darwin-x64-formal, darwin-x64-ghdl, darwin-x64-ghdl-yosys-plugin, darwin-x64-graphviz, darwin-x64-gtkwave, darwin-x64-icestorm, darwin-x64-iverilog, darwin-x64-nextpnr-ecp5, darwin-x64-nextpnr-generic, darwin-x64-nextpnr-himbaechel, darwin-x64-nextpnr-ice40, darwin-x64-nextpnr-machxo2, darwin-x64-nextpnr-nexus, darwin-x64-openfpgaloader, darwin-x64-pono, darwin-x64-prjoxide, darwin-x64-prjtrellis, darwin-x64-pyhdl, darwin-x64-python-programmers, darwin-x64-python3, darwin-x64-system-resources, darwin-x64-utils, darwin-x64-verilator, darwin-x64-xdot, darwin-x64-yices, darwin-x64-yosys, darwin-x64-z3 ]
+    needs: [ darwin-x64-aiger, darwin-x64-apicula, darwin-x64-avy, darwin-x64-bitwuzla, darwin-x64-boolector, darwin-x64-cocotb, darwin-x64-cvc4, darwin-x64-cvc5, darwin-x64-eqy, darwin-x64-formal, darwin-x64-ghdl, darwin-x64-ghdl-yosys-plugin, darwin-x64-graphviz, darwin-x64-gtkwave, darwin-x64-icestorm, darwin-x64-imctk, darwin-x64-iverilog, darwin-x64-nextpnr-ecp5, darwin-x64-nextpnr-generic, darwin-x64-nextpnr-himbaechel, darwin-x64-nextpnr-ice40, darwin-x64-nextpnr-machxo2, darwin-x64-nextpnr-nexus, darwin-x64-openfpgaloader, darwin-x64-pono, darwin-x64-prjoxide, darwin-x64-prjtrellis, darwin-x64-pyhdl, darwin-x64-python-programmers, darwin-x64-python3, darwin-x64-system-resources, darwin-x64-utils, darwin-x64-verilator, darwin-x64-xdot, darwin-x64-yices, darwin-x64-yosys, darwin-x64-z3 ]
     steps:
       - name: Get current date
         id: date
@@ -1596,6 +1630,8 @@ jobs:
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-x64/darwin-x64-gtkwave.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download darwin-x64-icestorm
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-x64/darwin-x64-icestorm.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+      - name: Download darwin-x64-imctk
+        run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-x64/darwin-x64-imctk.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download darwin-x64-iverilog
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-darwin-x64/darwin-x64-iverilog.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download darwin-x64-nextpnr-ecp5
diff --git a/.github/workflows/linux-arm64.yml b/.github/workflows/linux-arm64.yml
index 34256d0..8fbe96d 100644
--- a/.github/workflows/linux-arm64.yml
+++ b/.github/workflows/linux-arm64.yml
@@ -192,6 +192,40 @@ jobs:
           tag: bucket-linux-arm64
           artifacts: "linux-arm64-formal.tgz"
           token: ${{ secrets.GITHUB_TOKEN }}
+  linux-arm64-imctk:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: 'yosyshq/oss-cad-suite-build'
+      - name: Cache sources
+        id: cache-sources
+        uses: actions/cache@v4
+        with:
+          path: _sources
+          key: cache-sources-imctk
+      - name: Download previous build
+        run: |
+          URL="https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-arm64/linux-arm64-imctk.tgz"
+          if wget --spider "${URL}" 2>/dev/null; then
+              wget -qO- "${URL}" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+          else
+              echo "Previous version not found in bucket"
+          fi
+      - name: Build
+        run: ./builder.py build --arch=linux-arm64 --target=imctk --single --tar
+      - uses: ncipollo/release-action@v1
+        if: hashFiles('linux-arm64-imctk.tgz') != ''
+        with:
+          allowUpdates: True
+          prerelease: True
+          omitBody: True
+          omitBodyDuringUpdate: True
+          omitNameDuringUpdate: True
+          tag: bucket-linux-arm64
+          artifacts: "linux-arm64-imctk.tgz"
+          token: ${{ secrets.GITHUB_TOKEN }}
   linux-arm64-nextpnr-generic:
     runs-on: ubuntu-latest
     continue-on-error: true
@@ -1558,7 +1592,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
   linux-arm64-default:
     runs-on: ubuntu-latest
-    needs: [ linux-arm64-aiger, linux-arm64-apicula, linux-arm64-avy, linux-arm64-bitwuzla, linux-arm64-boolector, linux-arm64-cocotb, linux-arm64-cvc4, linux-arm64-cvc5, linux-arm64-eqy, linux-arm64-formal, linux-arm64-graphviz, linux-arm64-gtkwave, linux-arm64-icestorm, linux-arm64-iverilog, linux-arm64-nextpnr-ecp5, linux-arm64-nextpnr-generic, linux-arm64-nextpnr-himbaechel, linux-arm64-nextpnr-ice40, linux-arm64-nextpnr-machxo2, linux-arm64-nextpnr-nexus, linux-arm64-openfpgaloader, linux-arm64-pono, linux-arm64-prjoxide, linux-arm64-prjtrellis, linux-arm64-pyhdl, linux-arm64-python-programmers, linux-arm64-python2, linux-arm64-python3, linux-arm64-suprove, linux-arm64-system-resources, linux-arm64-utils, linux-arm64-verilator, linux-arm64-xdot, linux-arm64-yices, linux-arm64-yosys, linux-arm64-z3 ]
+    needs: [ linux-arm64-aiger, linux-arm64-apicula, linux-arm64-avy, linux-arm64-bitwuzla, linux-arm64-boolector, linux-arm64-cocotb, linux-arm64-cvc4, linux-arm64-cvc5, linux-arm64-eqy, linux-arm64-formal, linux-arm64-graphviz, linux-arm64-gtkwave, linux-arm64-icestorm, linux-arm64-imctk, linux-arm64-iverilog, linux-arm64-nextpnr-ecp5, linux-arm64-nextpnr-generic, linux-arm64-nextpnr-himbaechel, linux-arm64-nextpnr-ice40, linux-arm64-nextpnr-machxo2, linux-arm64-nextpnr-nexus, linux-arm64-openfpgaloader, linux-arm64-pono, linux-arm64-prjoxide, linux-arm64-prjtrellis, linux-arm64-pyhdl, linux-arm64-python-programmers, linux-arm64-python2, linux-arm64-python3, linux-arm64-suprove, linux-arm64-system-resources, linux-arm64-utils, linux-arm64-verilator, linux-arm64-xdot, linux-arm64-yices, linux-arm64-yosys, linux-arm64-z3 ]
     steps:
       - name: Get current date
         id: date
@@ -1592,6 +1626,8 @@ jobs:
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-arm64/linux-arm64-gtkwave.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download linux-arm64-icestorm
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-arm64/linux-arm64-icestorm.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+      - name: Download linux-arm64-imctk
+        run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-arm64/linux-arm64-imctk.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download linux-arm64-iverilog
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-arm64/linux-arm64-iverilog.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download linux-arm64-nextpnr-ecp5
diff --git a/.github/workflows/linux-x64.yml b/.github/workflows/linux-x64.yml
index dc79c0b..4b1e3c4 100644
--- a/.github/workflows/linux-x64.yml
+++ b/.github/workflows/linux-x64.yml
@@ -260,6 +260,40 @@ jobs:
           tag: bucket-linux-x64
           artifacts: "linux-x64-formal.tgz"
           token: ${{ secrets.GITHUB_TOKEN }}
+  linux-x64-imctk:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: 'yosyshq/oss-cad-suite-build'
+      - name: Cache sources
+        id: cache-sources
+        uses: actions/cache@v4
+        with:
+          path: _sources
+          key: cache-sources-imctk
+      - name: Download previous build
+        run: |
+          URL="https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-x64/linux-x64-imctk.tgz"
+          if wget --spider "${URL}" 2>/dev/null; then
+              wget -qO- "${URL}" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+          else
+              echo "Previous version not found in bucket"
+          fi
+      - name: Build
+        run: ./builder.py build --arch=linux-x64 --target=imctk --single --tar
+      - uses: ncipollo/release-action@v1
+        if: hashFiles('linux-x64-imctk.tgz') != ''
+        with:
+          allowUpdates: True
+          prerelease: True
+          omitBody: True
+          omitBodyDuringUpdate: True
+          omitNameDuringUpdate: True
+          tag: bucket-linux-x64
+          artifacts: "linux-x64-imctk.tgz"
+          token: ${{ secrets.GITHUB_TOKEN }}
   linux-x64-ghdl:
     runs-on: ubuntu-latest
     continue-on-error: true
@@ -1949,7 +1983,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
   linux-x64-default:
     runs-on: ubuntu-latest
-    needs: [ linux-x64-aiger, linux-x64-apicula, linux-x64-avy, linux-x64-bitwuzla, linux-x64-boolector, linux-x64-cocotb, linux-x64-cvc4, linux-x64-cvc5, linux-x64-eqy, linux-x64-formal, linux-x64-ghdl, linux-x64-ghdl-yosys-plugin, linux-x64-graphviz, linux-x64-gtkwave, linux-x64-icestorm, linux-x64-iverilog, linux-x64-nextpnr-ecp5, linux-x64-nextpnr-generic, linux-x64-nextpnr-himbaechel, linux-x64-nextpnr-himbaechel-gowin, linux-x64-nextpnr-ice40, linux-x64-nextpnr-machxo2, linux-x64-nextpnr-nexus, linux-x64-openfpgaloader, linux-x64-pono, linux-x64-prjoxide, linux-x64-prjtrellis, linux-x64-pyhdl, linux-x64-python-programmers, linux-x64-python2, linux-x64-python3, linux-x64-suprove, linux-x64-system-resources, linux-x64-utils, linux-x64-verilator, linux-x64-xdot, linux-x64-yices, linux-x64-yosys, linux-x64-z3 ]
+    needs: [ linux-x64-aiger, linux-x64-apicula, linux-x64-avy, linux-x64-bitwuzla, linux-x64-boolector, linux-x64-cocotb, linux-x64-cvc4, linux-x64-cvc5, linux-x64-eqy, linux-x64-formal, linux-x64-ghdl, linux-x64-ghdl-yosys-plugin, linux-x64-graphviz, linux-x64-gtkwave, linux-x64-icestorm, linux-x64-imctk, linux-x64-iverilog, linux-x64-nextpnr-ecp5, linux-x64-nextpnr-generic, linux-x64-nextpnr-himbaechel, linux-x64-nextpnr-himbaechel-gowin, linux-x64-nextpnr-ice40, linux-x64-nextpnr-machxo2, linux-x64-nextpnr-nexus, linux-x64-openfpgaloader, linux-x64-pono, linux-x64-prjoxide, linux-x64-prjtrellis, linux-x64-pyhdl, linux-x64-python-programmers, linux-x64-python2, linux-x64-python3, linux-x64-suprove, linux-x64-system-resources, linux-x64-utils, linux-x64-verilator, linux-x64-xdot, linux-x64-yices, linux-x64-yosys, linux-x64-z3 ]
     steps:
       - name: Get current date
         id: date
@@ -1987,6 +2021,8 @@ jobs:
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-x64/linux-x64-gtkwave.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download linux-x64-icestorm
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-x64/linux-x64-icestorm.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+      - name: Download linux-x64-imctk
+        run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-x64/linux-x64-imctk.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download linux-x64-iverilog
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-linux-x64/linux-x64-iverilog.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download linux-x64-nextpnr-ecp5
diff --git a/.github/workflows/windows-x64.yml b/.github/workflows/windows-x64.yml
index d9c7d65..9dca50f 100644
--- a/.github/workflows/windows-x64.yml
+++ b/.github/workflows/windows-x64.yml
@@ -119,6 +119,40 @@ jobs:
           tag: bucket-windows-x64
           artifacts: "windows-x64-formal.tgz"
           token: ${{ secrets.GITHUB_TOKEN }}
+  windows-x64-imctk:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: 'yosyshq/oss-cad-suite-build'
+      - name: Cache sources
+        id: cache-sources
+        uses: actions/cache@v4
+        with:
+          path: _sources
+          key: cache-sources-imctk
+      - name: Download previous build
+        run: |
+          URL="https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-windows-x64/windows-x64-imctk.tgz"
+          if wget --spider "${URL}" 2>/dev/null; then
+              wget -qO- "${URL}" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+          else
+              echo "Previous version not found in bucket"
+          fi
+      - name: Build
+        run: ./builder.py build --arch=windows-x64 --target=imctk --single --tar
+      - uses: ncipollo/release-action@v1
+        if: hashFiles('windows-x64-imctk.tgz') != ''
+        with:
+          allowUpdates: True
+          prerelease: True
+          omitBody: True
+          omitBodyDuringUpdate: True
+          omitNameDuringUpdate: True
+          tag: bucket-windows-x64
+          artifacts: "windows-x64-imctk.tgz"
+          token: ${{ secrets.GITHUB_TOKEN }}
   windows-x64-nextpnr-generic:
     runs-on: ubuntu-latest
     continue-on-error: true
@@ -1263,7 +1297,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
   windows-x64-default:
     runs-on: ubuntu-latest
-    needs: [ windows-x64-apicula, windows-x64-avy, windows-x64-bitwuzla, windows-x64-boolector, windows-x64-cvc4, windows-x64-cvc5, windows-x64-eqy, windows-x64-formal, windows-x64-gtkwave, windows-x64-icestorm, windows-x64-iverilog, windows-x64-nextpnr-ecp5, windows-x64-nextpnr-generic, windows-x64-nextpnr-himbaechel, windows-x64-nextpnr-ice40, windows-x64-nextpnr-machxo2, windows-x64-nextpnr-nexus, windows-x64-openfpgaloader, windows-x64-pono, windows-x64-prjoxide, windows-x64-prjtrellis, windows-x64-pyhdl, windows-x64-python3, windows-x64-system-resources, windows-x64-utils, windows-x64-verilator, windows-x64-yices, windows-x64-yosys, windows-x64-z3 ]
+    needs: [ windows-x64-apicula, windows-x64-avy, windows-x64-bitwuzla, windows-x64-boolector, windows-x64-cvc4, windows-x64-cvc5, windows-x64-eqy, windows-x64-formal, windows-x64-gtkwave, windows-x64-icestorm, windows-x64-imctk, windows-x64-iverilog, windows-x64-nextpnr-ecp5, windows-x64-nextpnr-generic, windows-x64-nextpnr-himbaechel, windows-x64-nextpnr-ice40, windows-x64-nextpnr-machxo2, windows-x64-nextpnr-nexus, windows-x64-openfpgaloader, windows-x64-pono, windows-x64-prjoxide, windows-x64-prjtrellis, windows-x64-pyhdl, windows-x64-python3, windows-x64-system-resources, windows-x64-utils, windows-x64-verilator, windows-x64-yices, windows-x64-yosys, windows-x64-z3 ]
     steps:
       - name: Get current date
         id: date
@@ -1293,6 +1327,8 @@ jobs:
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-windows-x64/windows-x64-gtkwave.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download windows-x64-icestorm
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-windows-x64/windows-x64-icestorm.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
+      - name: Download windows-x64-imctk
+        run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-windows-x64/windows-x64-imctk.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download windows-x64-iverilog
         run: wget -qO- "https://github.com/yosyshq/oss-cad-suite-build/releases/download/bucket-windows-x64/windows-x64-iverilog.tgz" --retry-connrefused --read-timeout=20 --timeout=15 --retry-on-http-error=404 | tar xvfz -
       - name: Download windows-x64-nextpnr-ecp5
diff --git a/default/rules/default.py b/default/rules/default.py
index 7d1707e..a1c2040 100644
--- a/default/rules/default.py
+++ b/default/rules/default.py
@@ -7,6 +7,7 @@
     dependencies = [
         'yosys',
         'formal',
+        'imctk',
         'ghdl',
         'ghdl-yosys-plugin',
         'nextpnr-generic',
@@ -52,6 +53,7 @@
     dependencies = [
         'yosys',
         'formal',
+        'imctk',
         'aiger',
         'avy',
         'bitwuzla',
@@ -75,6 +77,7 @@
     release_name = 'oss-cad-suite-ci',
     top_package = True,
     dependencies = [
+        'imctk',
         'aiger',
         'avy',
         'bitwuzla',