diff --git a/CMakeLists.txt b/CMakeLists.txt
index 296278e02..3958e7bef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.5)
-set(PIM_VERSION "5.15.2")
+set(PIM_VERSION "5.15.3")
 
 project(kmail VERSION ${PIM_VERSION})
 
@@ -33,7 +33,7 @@ include(ECMQtDeclareLoggingCategory)
 
 # Do NOT add quote
 set(KDEPIM_DEV_VERSION)
-set(RELEASE_SERVICE_VERSION "20.08.2")
+set(RELEASE_SERVICE_VERSION "20.08.3")
 
 # add an extra space
 if(DEFINED KDEPIM_DEV_VERSION)