diff --git a/include/etl/version.h b/include/etl/version.h
index 39688450..aa0009f1 100644
--- a/include/etl/version.h
+++ b/include/etl/version.h
@@ -37,9 +37,9 @@ SOFTWARE.
 /// Definitions of the ETL version
 ///\ingroup utilities
 
-#define ETL_VERSION "11.3.0"
+#define ETL_VERSION "11.4.0"
 #define ETL_VERSION_MAJOR 11
-#define ETL_VERSION_MINOR  3
+#define ETL_VERSION_MINOR  4
 #define ETL_VERSION_PATCH  0
 
 #endif
diff --git a/support/Release notes.txt b/support/Release notes.txt
index 5e074323..d418f610 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,3 +1,9 @@
+===============================================================================
+11.4.0
+Added improved atomics.
+Added mutex
+Added SPSC & MPPC queues
+
 ===============================================================================
 11.3.0
 Improved compatibility with 64 bit pltforms.