diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d513f5f7..cdf137d3 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -28,7 +28,7 @@ jobs:
           - windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@v2
+      - uses: julia-actions/setup-julia@v2.0.0
         with:
           version: ${{ matrix.version }}
       - uses: julia-actions/cache@v1
diff --git a/.github/workflows/CompatHelper.yml b/.github/workflows/CompatHelper.yml
index 7f742c4e..5f708a2c 100644
--- a/.github/workflows/CompatHelper.yml
+++ b/.github/workflows/CompatHelper.yml
@@ -13,7 +13,7 @@ jobs:
   CompatHelper:
     runs-on: ubuntu-latest
     steps:
-      - uses: julia-actions/setup-julia@ac0d62164df5a47de404f4e96ce86a1a28a28d56
+      - uses: julia-actions/setup-julia@f2258781c657ad9b4b88072c5eeaf9ec8c370874
         with:
           version: 1.3
       - name: Pkg.add("CompatHelper")
diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
index 3e273154..1bdbefeb 100644
--- a/.github/workflows/Downgrade.yml
+++ b/.github/workflows/Downgrade.yml
@@ -28,7 +28,7 @@ jobs:
           - windows-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@v2
+      - uses: julia-actions/setup-julia@v2.0.0
         with:
           version: ${{ matrix.version }}
       - uses: julia-actions/julia-downgrade-compat@v1
diff --git a/.github/workflows/Invalidations.yml b/.github/workflows/Invalidations.yml
index c20c8493..3a332a13 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@v2
+    - uses: julia-actions/setup-julia@v2.0.0
       with:
         version: '1'
     - uses: actions/checkout@v4