diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1c0d11e1..84196af0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -125,7 +125,7 @@ jobs:
           # needed for Rust to compile cryptography Python package for universal2
           rustup target add aarch64-apple-darwin
           # Brew's xz isn't universal2. We want to use XCode version
-          brew uninstall --ignore-dependencies xz
+          brew uninstall --ignore-dependencies xz libffi
 
       - name: Windows Configure VCode
         uses: ilammy/msvc-dev-cmd@v1