diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 15adddd..b8a41f0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ env:
           && !startsWith(github.ref, 'refs/tags/v')
           && !contains(github.event.head_commit.message, '[fresh ci]') }}
   RUST_BACKTRACE: 1
-  RUST_VER: "1.83"
+  RUST_VER: "1.84"
 
 jobs: