diff --git a/Make.inc b/Make.inc
index 1418b2f..cca2ca7 100644
--- a/Make.inc
+++ b/Make.inc
@@ -3,9 +3,9 @@
 OS := $(shell uname)
 # Do not forget to bump SOMINOR when changing VERSION,
 # and SOMAJOR when breaking ABI in a backward-incompatible way
-VERSION = 0.5.1-dev
+VERSION = 0.5.2
 SOMAJOR = 2
-SOMINOR = 2
+SOMINOR = 3
 DESTDIR =
 prefix = /usr/local
 bindir = $(prefix)/bin