diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3a336e80..190609c0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
           fetch-depth: 0  # full history so per-symbol git-blame tests have something to read
 
       - name: Set up .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '10.0.x'
 
@@ -78,7 +78,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Set up .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '10.0.x'
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index f0d328c5..0cd467cb 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Set up .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '10.0.x'
 
diff --git a/.github/workflows/publish-nuget.yml b/.github/workflows/publish-nuget.yml
index 015a1ec2..ba1105b4 100644
--- a/.github/workflows/publish-nuget.yml
+++ b/.github/workflows/publish-nuget.yml
@@ -81,7 +81,7 @@ jobs:
           echo "tag=$tag"     >> "$GITHUB_OUTPUT"
 
       - name: Set up .NET
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: '10.0.x'