diff --git a/.github/workflows/tests_GNNGraphs.yml b/.github/workflows/test_GNNGraphs.yml
similarity index 93%
rename from .github/workflows/tests_GNNGraphs.yml
rename to .github/workflows/test_GNNGraphs.yml
index 3d28ee93c..f495a3b2d 100644
--- a/.github/workflows/tests_GNNGraphs.yml
+++ b/.github/workflows/test_GNNGraphs.yml
@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.10' # Replace this with the minimum Julia version that your package supports.
+          - '1.9' # Replace this with the minimum Julia version that your package supports.
           - '1' #  '1' will automatically expand to the latest stable 1.x release of Julia.
           # - 'pre'
         os:
diff --git a/.github/workflows/tests_GraphNeuralNetworks.yml b/.github/workflows/test_GraphNeuralNetworks.yml
similarity index 57%
rename from .github/workflows/tests_GraphNeuralNetworks.yml
rename to .github/workflows/test_GraphNeuralNetworks.yml
index 0140dab69..a2365b766 100644
--- a/.github/workflows/tests_GraphNeuralNetworks.yml
+++ b/.github/workflows/test_GraphNeuralNetworks.yml
@@ -14,34 +14,35 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.10' # Replace this with the minimum Julia version that your package supports.
+          - '1.9' # Replace this with the minimum Julia version that your package supports.
           - '1' #  '1' will automatically expand to the latest stable 1.x release of Julia.
           # - 'pre'
         os:
           - ubuntu-latest
         arch:
           - x64
-    env:              # Don't use system Python (needed by PyCall)
-      PYTHON: ""
+
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v4
-        env:
-          cache-name: cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-test-${{ env.cache-name }}-
-            ${{ runner.os }}-test-
-            ${{ runner.os }}-
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
-      - uses: julia-actions/julia-runtest@v1
+      - name: Install Julia dependencies and run tests
+        shell: julia --project=monorepo {0}
+        run: |
+          using Pkg
+          # dev mono repo versions
+          pkg"registry up"
+          Pkg.update()
+          pkg"dev ./GNNGraphs ."
+          Pkg.test("GraphNeuralNetworks"; coverage=true)
       - uses: julia-actions/julia-processcoverage@v1
+        with:
+          # directories: ./GraphNeuralNetworks/src, ./GraphNeuralNetworks/ext
+          directories: ./GraphNeuralNetworks/src
       - uses: codecov/codecov-action@v4
         with:
-          file: lcov.info
+          files: lcov.info