diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 92eefbafe..7c9292af5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,7 +25,7 @@ jobs:
             target: x86_64-unknown-linux-gnu
           - build: x86_64-nightly
             os: ubuntu-latest
-            rust: nightly
+            rust: nightly-2024-02-01
             docker: linux64
             target: x86_64-unknown-linux-gnu
           - build: i686