diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eb3c340..b04e7ae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
     strategy:
       matrix:
         toolchain:
-          - "1.60"
+          - "1.64"
           - stable
           - beta
           - nightly