diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9f5b7c7..0d5d099 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: macos-26
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0        # MinVer needs full history
           submodules: recursive # Syphon framework source for the native shim
@@ -35,7 +35,7 @@ jobs:
           xcode-select -p
           xcodebuild -version
 
-      - uses: actions/setup-dotnet@v5
+      - uses: actions/setup-dotnet@v6
         with:
           # net11.0 needs the .NET 11 preview SDK alongside .NET 10; global.json selects it.
           dotnet-version: |
@@ -135,7 +135,7 @@ jobs:
         # directory), proving frames cross the real mach/IOSurface boundary byte-exact.
         run: dotnet run --project samples/Syphon.NET.Peer -c Release --no-build -- crosstest
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v7
         with:
           python-version: "3.12"   # syphon-python ships wheels for cp38-cp312 only
 
@@ -214,7 +214,7 @@ jobs:
           name: nuget-package
           path: ${{ env.NuGetDirectory }}
 
-      - uses: actions/setup-dotnet@v5
+      - uses: actions/setup-dotnet@v6
 
       - name: NuGet login (OIDC)
         id: login
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 093af8a..36acbd0 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,14 +26,14 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           submodules: recursive
 
       - name: Setup .NET SDK
         # Install both SDKs and let global.json pick: setup-dotnet resolving the pinned preview from
         # global.json alone left the runner on its preinstalled 10.0.x, which cannot target net11.0.
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             10.0.x
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 3abd7fc..011c2c9 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -16,10 +16,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Review dependency changes
-        uses: actions/dependency-review-action@v4
+        uses: actions/dependency-review-action@v5
         with:
           fail-on-severity: moderate
           comment-summary-in-pr: on-failure
diff --git a/.github/workflows/dependency-submission.yml b/.github/workflows/dependency-submission.yml
index 80714f0..ecc0933 100644
--- a/.github/workflows/dependency-submission.yml
+++ b/.github/workflows/dependency-submission.yml
@@ -21,10 +21,10 @@ jobs:
     runs-on: macos-26
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Setup .NET SDK
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
             10.0.x