diff --git a/implementations/rust/preserves-schema/Cargo.toml b/implementations/rust/preserves-schema/Cargo.toml
index 1e5c3b1..d0f597a 100644
--- a/implementations/rust/preserves-schema/Cargo.toml
+++ b/implementations/rust/preserves-schema/Cargo.toml
@@ -14,6 +14,6 @@ preserves = { path = "../preserves", version = "0.16.0" }
 convert_case = "0.4.0"
 glob = "0.3.0"
 lazy_static = "1.4.0"
-regex = "1.5.4"
+regex = "1.5"
 structopt = "0.3.14"
 thiserror = "1.0"