diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 86717e2..f757cd6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -41,7 +41,7 @@ jobs:
     # We move faster than GitHub's Python runtimes, so use NuGet instead
     # One day we can use ourselves to download Python, but not yet...
     - name: Set up NuGet
-      uses: nuget/setup-nuget@b26b823c478ee115be5c9403e62c90b0bf943843 # v3.1.0
+      uses: nuget/setup-nuget@fd55a6f3b34392fa83fde1454582407d8c714123 # v4.0
 
     - name: Set up Python 3.14.4
       run: |