diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9deafa4f..d9c8f864 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Install Foundry
         uses: foundry-rs/foundry-toolchain@v1
         with:
-          version: nightly
+          version: nightly-af97b2c75cbcfaba23462998ae75ca082bcca1f2
 
       - name: Run Forge build
         run: |
@@ -68,4 +68,10 @@ jobs:
       - name: Run Fork Tests
         run: |
           forge test --match-path "test/fork/**" -vvvvv
-        id: fork_test
\ No newline at end of file
+        id: fork_test
+
+      - name: Run Invariant Tests
+        run: |
+          yarn local:testchain
+          forge test --match-path "test/invariant/**" -vvvvv
+        id: invariant_test
\ No newline at end of file