diff --git a/crates/sha1w/Cargo.toml b/crates/sha1w/Cargo.toml
index 1939082..ecde4c9 100644
--- a/crates/sha1w/Cargo.toml
+++ b/crates/sha1w/Cargo.toml
@@ -18,4 +18,4 @@ sha1-ring = ["aws-lc-rs"]
 [dependencies]
 assert_cfg = "0.1.0"
 crypto-hash = { version = "0.3", optional = true }
-aws-lc-rs = { version = "*", optional = true }
+aws-lc-rs = { version = "1.12", optional = true }