diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 7600f6e..5678b7c 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        rust: [stable]
+        rust: [nightly]
 
     runs-on: ${{ matrix.os }}