diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 995e92d1..2d359652 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - 1.64.0  # MSRV
+          - 1.65.0  # MSRV
     steps:
       - uses: actions/checkout@v2