diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a08880a8..59797332f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,7 +92,7 @@ if ($ENV{BUILD_NUMBER})
 endif()
 
 set(VERSION_REGEX "^(.*)([0-9]+)\\.([0-9]+)\\.([0-9]+)-?(.*)")
-set(RAW_VERSION_STRING "3.6.3")
+set(RAW_VERSION_STRING "3.6.4-dev0")
 if(EXISTS "${PROJECT_SOURCE_DIR}/.source_tag")
 	file(READ ${PROJECT_SOURCE_DIR}/.source_tag RAW_VERSION_STRING)
 elseif(USE_VERSION_FROM_GIT_TAG)
diff --git a/winpr/CMakeLists.txt b/winpr/CMakeLists.txt
index 9c04ba45d..4dc7b970a 100644
--- a/winpr/CMakeLists.txt
+++ b/winpr/CMakeLists.txt
@@ -137,7 +137,7 @@ endif()
 
 # Soname versioning
 set(VERSION_REGEX "^(.*)([0-9]+)\\.([0-9]+)\\.([0-9]+)-?(.*)")
-set(RAW_VERSION_STRING "3.6.3")
+set(RAW_VERSION_STRING "3.6.4-dev0")
 if(EXISTS "${PROJECT_SOURCE_DIR}/.source_tag")
 	file(READ ${PROJECT_SOURCE_DIR}/.source_tag RAW_VERSION_STRING)
 elseif(USE_VERSION_FROM_GIT_TAG)