diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e196eb5..bc202994 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
       - name: 'Install Foundry'
         uses: foundry-rs/foundry-toolchain@v1
         with:
-          version: nightly
+          version: nightly-e649e62f125244a3ef116be25dfdc81a2afbaf2a
 
       - name: 'Setup Node.js'
         uses: actions/setup-node@v4