diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a2527cd..c78c3cc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,3 +25,4 @@ jobs:
         with:
           RUSTTARGET: ${{ matrix.target }}
           ARCHIVE_TYPES: ${{ matrix.archive }}
+          TOOLCHAIN_VERSION: 1.78.0