diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8fd89f3..ab4fec0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,10 +8,6 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.60.0
-          - 1.61.0
-          - 1.62.1
-          - 1.63.0
           - 1.64.0
           - 1.65.0
           - 1.66.1