diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ff8a5df..b473f69 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
         components: rustfmt, clippy
         
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '8.0.x'
         
@@ -124,7 +124,7 @@ jobs:
         components: llvm-tools-preview
         
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '8.0.x'
         
diff --git a/.github/workflows/maintenance.yml b/.github/workflows/maintenance.yml
index 11e9b04..e40b187 100644
--- a/.github/workflows/maintenance.yml
+++ b/.github/workflows/maintenance.yml
@@ -128,7 +128,7 @@ jobs:
       uses: dtolnay/rust-toolchain@stable
       
     - name: Setup .NET SDK (for benchmarks that may use mono tests)
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '8.0.x'
       
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8fc7f5d..fccfc40 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,7 +28,7 @@ jobs:
         components: rustfmt, clippy
         
     - name: Setup .NET SDK
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@v5
       with:
         dotnet-version: '8.0.x'