diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab4fec0..d11b6be 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,6 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.64.0
           - 1.65.0
           - 1.66.1
           - 1.67.1