diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index db0987cf..4e68b7f2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,9 +38,9 @@ jobs:
       matrix:
         stable: [true]
         crystal:
-          - 1.0.0
-          - 1.1.1
           - 1.2.2
+          - 1.3.2
+          - 1.4.0
         include:
           - crystal: nightly
             stable: false