diff --git a/flipt-evaluation/Cargo.toml b/flipt-evaluation/Cargo.toml
index 7875b86a..9a53cb7f 100644
--- a/flipt-evaluation/Cargo.toml
+++ b/flipt-evaluation/Cargo.toml
@@ -21,4 +21,4 @@ chrono = { version = "0.4.31", features = ["serde"] }
 web-time = "1.1.0"
 
 [dev-dependencies]
-mockall = "0.12.1"
+mockall = "0.13.0"