diff --git a/.cirrus.yml b/.cirrus.yml
index a7ce0d9d456..12369fffa99 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -3,7 +3,7 @@ auto_cancellation: $CIRRUS_BRANCH != 'master' && $CIRRUS_BRANCH !=~ 'tokio-.*'
 freebsd_instance:
   image_family: freebsd-14-1
 env:
-  RUST_STABLE: stable
+  RUST_STABLE: 1.81
   RUST_NIGHTLY: nightly-2024-05-05
   RUSTFLAGS: -D warnings