diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee8672a..eca4ddf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
 
@@ -67,7 +67,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
 
@@ -158,7 +158,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
 
@@ -270,7 +270,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: ${{ env.DOTNET_VERSION }}
 
diff --git a/.github/workflows/codex-autofix.yml b/.github/workflows/codex-autofix.yml
index e8b5c6b..5719e2b 100644
--- a/.github/workflows/codex-autofix.yml
+++ b/.github/workflows/codex-autofix.yml
@@ -41,7 +41,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '9.0.x'
 
diff --git a/.github/workflows/ui-tests.yml b/.github/workflows/ui-tests.yml
index f7cbd9d..b8820ed 100644
--- a/.github/workflows/ui-tests.yml
+++ b/.github/workflows/ui-tests.yml
@@ -129,7 +129,7 @@ jobs:
           cache-dependency-path: ui/package-lock.json
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '9.0.x'