diff --git a/.github/workflows/slither.yml b/.github/workflows/slither.yml
index 2179bf31..2a9f8a2d 100644
--- a/.github/workflows/slither.yml
+++ b/.github/workflows/slither.yml
@@ -8,6 +8,11 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+
       - name: Install solc-select
         run: |
           pip install solc-select