diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 333a26174..da25f2d1f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,6 +43,8 @@ jobs:
           - 1.16.3
           - 1.17.1
           - 1.18.2
+          - 1.19.1
+          - 1.20.0
         include:
           - crystal: nightly
             stable: false