diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 673496cb..533d1d8e 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -24,12 +24,12 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: julia-actions/add-julia-registry@v1
+      - uses: julia-actions/add-julia-registry@v2
         with:
           key: ${{ secrets.SSH_KEY }}
           registry: control-toolbox/ct-registry