diff --git a/.github/workflows/Invalidations.yml b/.github/workflows/Invalidations.yml
index f1d61e96..1aecf8ff 100644
--- a/.github/workflows/Invalidations.yml
+++ b/.github/workflows/Invalidations.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.base_ref == github.event.repository.default_branch
     runs-on: ubuntu-latest
     steps:
-    - uses: julia-actions/setup-julia@v3
+    - uses: julia-actions/setup-julia@f6f565d9f7cf12f53dc8045742460d6260ad3b39 # v3.0.1
       with:
         version: '1'
     - uses: actions/checkout@v6
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 53f7ec7f..bd7528ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
             version: '1'
     steps:
       - uses: actions/checkout@v6
-      - uses: julia-actions/setup-julia@v3
+      - uses: julia-actions/setup-julia@f6f565d9f7cf12f53dc8045742460d6260ad3b39 # v3.0.1
         with:
           version: ${{ matrix.version }}
       - uses: julia-actions/cache@v3
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 69a3bcfc..db06cc92 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: julia-actions/setup-julia@latest
+      - uses: julia-actions/setup-julia@f6f565d9f7cf12f53dc8045742460d6260ad3b39 # v3.0.1
         with:
           version: '1'
       - name: Install dependencies