diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c9eaab3f..cd49f4cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,7 +44,7 @@ jobs:
           - 1.17.1
           - 1.18.2
           - 1.19.2
-          - 1.20.2
+          - 1.20.3
         include:
           - crystal: nightly
             stable: false