diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fef4de1aeb..0f4f7b46d2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,7 +29,7 @@ jobs:
 
       - uses: hecrj/setup-rust-action@v1
         with:
-          rust-version: 1.64.0
+          rust-version: 1.66.0
 
       - name: Cache build
         uses: actions/cache@v2