diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 057e4d61..08d2e16b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,10 +38,10 @@ jobs:
       matrix:
         stable: [true]
         crystal:
-          - 1.7.3
-          - 1.8.2
           - 1.9.2
           - 1.10.1
+          - 1.11.2
+          - 1.12.1
         include:
           - crystal: nightly
             stable: false