diff --git a/release-hook.sh b/release-hook.sh
index d5954ca..8da5636 100755
--- a/release-hook.sh
+++ b/release-hook.sh
@@ -11,3 +11,6 @@ cargo clippy -- --deny warnings
 cargo fmt --all --check
 cargo test --workspace --all-targets
 cargo run -- dev check --require-solutions
+
+# MSRV
+cargo +1.80 run -- dev check --require-solutions