diff --git a/setup.py b/setup.py
index f43940c66..3fc81b2ac 100644
--- a/setup.py
+++ b/setup.py
@@ -22,10 +22,10 @@
 from setuptools.command.install import install as base_install
 
 MAJOR = 5
-MINOR = 1
+MINOR = 2
 MICRO = 0
-PRERELEASE = ""
-IS_RELEASED = False
+PRERELEASE = "rc1"
+IS_RELEASED = True
 
 # Templates for version strings.
 RELEASED_VERSION = "{major}.{minor}.{micro}{prerelease}"