Bump version to 5.4.0.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91da6f3..d03dc75 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@
 # debian is happy with it.  However, "_" is illegal in debs, while RPM
 # is cool with it.  Sigh.
 set(rr_VERSION_MAJOR 5)
-set(rr_VERSION_MINOR 3)
+set(rr_VERSION_MINOR 4)
 set(rr_VERSION_PATCH 0)
 
 add_definitions(-DRR_VERSION="${rr_VERSION_MAJOR}.${rr_VERSION_MINOR}.${rr_VERSION_PATCH}")