diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34f73e760..4c049f3a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ include(CheckIncludeFileCXX)
 ### whisper.cpp version
 set(WHISPER_VERSION_MAJOR 1)
 set(WHISPER_VERSION_MINOR 9)
-set(WHISPER_VERSION_PATCH 3)
+set(WHISPER_VERSION_PATCH 4)
 set(WHISPER_VERSION_BASE "${WHISPER_VERSION_MAJOR}.${WHISPER_VERSION_MINOR}.${WHISPER_VERSION_PATCH}")
 
 # whether this is a development/nightly build