diff --git a/Makefile b/Makefile
index 96ee467..0b8ec2c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-short_ver = 4.2.0
+short_ver = 4.3.0
 release = 1
 PYTHON ?= python3
 PYTHON_DIRS = aiven tests