diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 340db8e..d672c38 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,5 +28,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           RUSTTARGET: ${{ matrix.target }}
+          TOOLCHAIN_VERSION: 1.73.0
           ARCHIVE_TYPES: tar.gz zip
           EXTRA_FILES: LICENSE README.md sigi.1