diff --git a/cranelift/src/tools/Cargo.toml b/cranelift/src/tools/Cargo.toml
index b5ee718222..79e9d2685d 100644
--- a/cranelift/src/tools/Cargo.toml
+++ b/cranelift/src/tools/Cargo.toml
@@ -14,4 +14,4 @@ cretonne = { path = "../libcretonne" }
 cretonne-reader = { path = "../libreader" }
 docopt = "0.6.80"
 rustc-serialize = "0.3.19"
-regex = "0.1.73"
+regex = "0.1.71"