diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36cb771..a70ebd5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -68,7 +68,7 @@ jobs:
     - name: Setup Swift
       uses: fwal/setup-swift@v1
       with:
-        swift-version: "5.5"
+        swift-version: "5.6"
     - name: Build
       run: swift build
     - name: Test