diff --git a/.github/workflows/commitlint.yml b/.github/workflows/commitlint.yml
index 67a7ab998..390b43bbb 100644
--- a/.github/workflows/commitlint.yml
+++ b/.github/workflows/commitlint.yml
@@ -22,7 +22,7 @@ jobs:
         with:
           node-version: lts/*
 
-      - uses: actions/cache@v5
+      - uses: actions/cache@v5.0.5
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index cbd0a1676..e5c1e82b4 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -13,7 +13,7 @@ jobs:
       with:
         node-version: lts/*
     - name: Cache .npm
-      uses: actions/cache@v5
+      uses: actions/cache@v5.0.5
       with:
         path: ~/.npm
         key: ${{ runner.os }}-node-${{ hashFiles('lapis-e2e/**/package-lock.json') }}
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 70c7481ed..0c2bcfd6d 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version: lts/*
-      - uses: actions/cache@v5
+      - uses: actions/cache@v5.0.5
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
@@ -38,7 +38,7 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version: lts/*
-      - uses: actions/cache@v5
+      - uses: actions/cache@v5.0.5
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}