diff --git a/crypto/func/func.h b/crypto/func/func.h
index 5476f253..1d534dc3 100644
--- a/crypto/func/func.h
+++ b/crypto/func/func.h
@@ -39,7 +39,7 @@ extern std::string generated_from;
 
 constexpr int optimize_depth = 20;
 
-const std::string func_version{"0.4.1"};
+const std::string func_version{"0.4.2"};
 
 enum Keyword {
   _Eof = -1,