diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c380c0c..87a2759 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,7 +51,7 @@ jobs:
           cache: npm
           cache-dependency-path: app/package-lock.json
       - uses: dtolnay/rust-toolchain@stable
-      - uses: actions/setup-dotnet@v4
+      - uses: actions/setup-dotnet@v6
         with:
           dotnet-version: 8.0.x
       - name: Install frontend dependencies
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 49c43a7..2be395c 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -20,7 +20,7 @@ jobs:
           node-version: 24.18.0
           cache: npm
           cache-dependency-path: app/package-lock.json
-      - uses: actions/setup-dotnet@v4
+      - uses: actions/setup-dotnet@v6
         with:
           dotnet-version: 8.0.x
       - uses: dtolnay/rust-toolchain@stable