diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 3c8e349..7e53c7f 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -27,7 +27,7 @@ jobs:
           fetch-depth: 0 # MinVer needs full history + tags for versioning
 
       - name: Setup .NET (8 + 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 054db2f..9e935e6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
           fetch-depth: 0 # MinVer needs full history + tags for versioning
 
       - name: Setup .NET (8 + 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b0a07bd..1163414 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -30,7 +30,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Setup .NET (8 + 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 9b15da6..6eb71b8 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -44,7 +44,7 @@ jobs:
           fetch-depth: 0 # MinVer needs full history + tags for versioning
 
       - name: Setup .NET (8 + 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index 117d03b..d522deb 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -41,7 +41,7 @@ jobs:
           fetch-depth: 0 # Stryker --since needs history to diff against the base
 
       - name: Setup .NET (8 + 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
@@ -73,7 +73,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup .NET (8 + 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ca59987..1cb1a45 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,7 +28,7 @@ jobs:
           fetch-depth: 0 # MinVer needs full history + tags
 
       - name: Setup .NET (8 + 10)
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             8.0.x