diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index e6f7939efb..14e72ddad0 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -85,8 +85,8 @@ jobs:
       matrix:
         toolchain:
           - stable
-          #- beta
-          - nightly
+            #- beta
+          - nightly-2021-04-10
     runs-on:                       ubuntu-latest
     env:
       RUST_BACKTRACE:              full