diff --git a/.github/workflows/foundry.yml b/.github/workflows/foundry.yml
index 300ed372..2d60f84c 100644
--- a/.github/workflows/foundry.yml
+++ b/.github/workflows/foundry.yml
@@ -16,14 +16,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-      - uses: foundry-rs/foundry-toolchain@8789b3e21e6c11b2697f5eb56eddae542f746c10 # v1
+      - uses: foundry-rs/foundry-toolchain@908c540300062bd5a7e473851cdb4282204cee09 # v1.9.1
       - run: forge fmt --check
 
   test:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-      - uses: foundry-rs/foundry-toolchain@8789b3e21e6c11b2697f5eb56eddae542f746c10 # v1
+      - uses: foundry-rs/foundry-toolchain@908c540300062bd5a7e473851cdb4282204cee09 # v1.9.1
       - run: forge test -vvv
         env:
           FOUNDRY_FUZZ_RUNS: 10000