diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e623a07..4ce9fd7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
   test-on-linux:
     strategy:
       matrix:
-        swift-version: ['5.6.3', '5.7.3', '5.8.1', '5.9.2', '5.10.1', '6.0-snapshot']
+        swift-version: ['5.7.3', '5.8.1', '5.9.2', '5.10.1', '6.0-snapshot']
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v4