diff --git a/Cargo.toml b/Cargo.toml
index fa6465d..d9273bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -63,7 +63,7 @@ exactly = 1
 version = "0.2"
 
 [dependencies.erased-serde]
-version = "0.3"
+version = "0.4"
 optional = true
 
 [dependencies.serde]
