diff --git a/co_sim_io/impl/version.hpp b/co_sim_io/impl/version.hpp
index 615c7981..d37ffbed 100644
--- a/co_sim_io/impl/version.hpp
+++ b/co_sim_io/impl/version.hpp
@@ -27,7 +27,7 @@ constexpr int GetMinorVersion() {
 }
 
 std::string GetPatchVersion() {
-    return "0";
+    return "1";
 }
 
 } // namespace CoSimIO