diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index 52b47c7..ff41279 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -4,12 +4,12 @@ runs:
   using: composite
   steps:
     - name: Install node
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
       with:
         node-version: 20.x
 
     - name: Install foundry
-      uses: foundry-rs/foundry-toolchain@v1
+      uses: foundry-rs/foundry-toolchain@8b0419c685ef46cb79ec93fbdc131174afceb730 # v1.6.0
 
     - name: Install yarn
       run: npm install -g yarn
@@ -21,7 +21,7 @@ runs:
       shell: bash
 
     - name: Retrieve yarn cache
-      uses: actions/cache@v4
+      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       with:
         path: ${{ steps.yarn-cache.outputs.dir }}
         key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}