diff --git a/mockall/Cargo.toml b/mockall/Cargo.toml
index a64f2661..9483a409 100644
--- a/mockall/Cargo.toml
+++ b/mockall/Cargo.toml
@@ -44,7 +44,7 @@ fragile = "2.0"
 lazy_static = "1.1"
 predicates = { version = "3.0.0", default-features = false }
 predicates-tree = "1.0"
-mockall_derive = { version = "=0.12.0", path = "../mockall_derive" }
+mockall_derive = { version = "=0.12.1", path = "../mockall_derive" }
 
 [dev-dependencies]
 async-trait = "0.1.38"
diff --git a/mockall_derive/Cargo.toml b/mockall_derive/Cargo.toml
index 4a331e28..d8c2ccbd 100644
--- a/mockall_derive/Cargo.toml
+++ b/mockall_derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mockall_derive"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Alan Somers <asomers@gmail.com>"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/asomers/mockall"