diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba86e1f..44808ac 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,7 +35,7 @@
 # a build number and a version extension can be optionally specified.
 #
 set(PT_VERSION_MAJOR 1)
-set(PT_VERSION_MINOR 3)
+set(PT_VERSION_MINOR 4)
 set(PT_VERSION_BUILD "0" CACHE STRING "")
 set(PT_VERSION_EXT "" CACHE STRING "")