diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 108f503..738dd1c 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -21,8 +21,8 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v5
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
diff --git a/.github/workflows/Format.yml b/.github/workflows/Format.yml
index 0ca87fe..ad680cc 100644
--- a/.github/workflows/Format.yml
+++ b/.github/workflows/Format.yml
@@ -10,8 +10,8 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
           arch: x64