--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,7 +55,7 @@ version = "0.18"
 version = "0.2"
 
 [dev-dependencies.gir-format-check]
-version = "^0.1"
+version = "0.1"
 
 [features]
 v2_30 = ["ffi/v2_30"]