diff --git a/.github/workflows/rust_ci.yml b/.github/workflows/rust_ci.yml
index 8e1e52ab0e..f6af492314 100644
--- a/.github/workflows/rust_ci.yml
+++ b/.github/workflows/rust_ci.yml
@@ -12,8 +12,6 @@ on:
       - ".cargo/**"
       - "Cargo*"
   push:
-    branches:
-      - master
     paths:
       - "benchmarks/**"
       - "ironfish-mpc/**"
@@ -87,6 +85,10 @@ jobs:
   ironfish_rust:
     name: Test ironfish-rust
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        shard: [1/2, 2/2]
+
     steps:
       - uses: actions/checkout@v4
 
@@ -95,20 +97,33 @@ jobs:
         with:
           shared-key: base
 
-      # Run tests to collect code coverage
-      - name: Run cargo-tarpaulin on ironfish-rust
+      - name: install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+
+      - name: Install nextest
+        uses: taiki-e/install-action@nextest
+
+      - name: Run tests
         run: |
-          wget -O tarpaulin.tar.gz https://github.com/xd009642/tarpaulin/releases/download/0.22.0/cargo-tarpaulin-0.22.0-travis.tar.gz
-          tar -xzf tarpaulin.tar.gz
-          mv cargo-tarpaulin ~/.cargo/bin/
-          cargo tarpaulin -p ironfish --release --out Xml --avoid-cfg-tarpaulin --skip-clean --timeout 300 -- --test-threads 1
+          # ~/.cargo/bin/cargo-nextest nextest run --release --partition count:${{ matrix.shard }}
+          # cargo nextest run --release --partition count:${{ matrix.shard }}
+          cargo llvm-cov nextest --release --partition count:${{ matrix.shard }}
 
-      # Upload code coverage to Codecov
+      # Run tests to collect code coverage
+      # - name: Run cargo-tarpaulin on ironfish-rust
+      #   run: |
+      #     wget -O tarpaulin.tar.gz https://github.com/xd009642/tarpaulin/releases/download/0.22.0/cargo-tarpaulin-0.22.0-travis.tar.gz
+      #     tar -xzf tarpaulin.tar.gz
+      #     mv cargo-tarpaulin ~/.cargo/bin/
+      #     cargo tarpaulin -p ironfish --release --out Xml --avoid-cfg-tarpaulin --skip-clean --timeout 300 -- --test-threads 1
+
+      # # Upload code coverage to Codecov
       - name: Upload to codecov.io
         uses: codecov/codecov-action@v4
         with:
           token: ${{secrets.CODECOV_TOKEN}}
           flags: ironfish-rust
+          files: lcov.info
 
   ironfish_zkp:
     name: Test ironfish-zkp
diff --git a/ironfish-rust-nodejs/src/lib.rs b/ironfish-rust-nodejs/src/lib.rs
index 31cdc60cc5..a0caed93d7 100644
--- a/ironfish-rust-nodejs/src/lib.rs
+++ b/ironfish-rust-nodejs/src/lib.rs
@@ -28,6 +28,8 @@ pub mod signal_catcher;
 pub mod structs;
 pub mod xchacha20poly1305;
 
+// trigger rust tests
+
 #[cfg(feature = "stats")]
 pub mod stats;