diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index a03e25d..cac9bb5 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -19,7 +19,7 @@ jobs:
     - uses: swift-actions/setup-swift@v2.0.0
       with:
         # Swift version to configure
-        swift-version: 6.0
+        swift-version: "5.10.1"
     - name: Build
       run: swift build -v
     - name: Run tests