diff --git a/CMakeLists.txt b/CMakeLists.txt
index 62053c1b..6c667dff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ include(CMakePackageConfigHelpers)
 # Set the version number.
 set(CPPKAFKA_VERSION_MAJOR 0)
 set(CPPKAFKA_VERSION_MINOR 4)
-set(CPPKAFKA_VERSION_REVISION 0)
+set(CPPKAFKA_VERSION_REVISION 1)
 set(CPPKAFKA_VERSION "${CPPKAFKA_VERSION_MAJOR}.${CPPKAFKA_VERSION_MINOR}.${CPPKAFKA_VERSION_REVISION}")
 set(RDKAFKA_MIN_VERSION "0.9.4")
 set(RDKAFKA_MIN_VERSION_HEX 0x00090400)