diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b4d8990ed8..e12ccdeb81 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -32,7 +32,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: "Set up OpenModelica Compiler"
         uses: OpenModelica/setup-openmodelica@v1.0
@@ -71,7 +71,7 @@ jobs:
         os:
           - ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: "Set up OpenModelica Compiler"
         uses: OpenModelica/setup-openmodelica@v1.0
diff --git a/.github/workflows/msl-test.yml b/.github/workflows/msl-test.yml
index 66ad9bc340..6cd35736f3 100644
--- a/.github/workflows/msl-test.yml
+++ b/.github/workflows/msl-test.yml
@@ -67,7 +67,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up OpenModelica (nightly)
         uses: OpenModelica/setup-openmodelica@v1.0
@@ -115,7 +115,7 @@ jobs:
 
       # ── Reference results ─────────────────────────────────────────────────────
       - name: Checkout MAP-LIB reference results
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           repository: modelica/MAP-LIB_ReferenceResults
           ref: v${{ env.LIB_VERSION }}