diff --git a/requires.txt b/requires.txt
--- a/requires.txt
+++ b/requires.txt
@@ -17,4 +17,4 @@ docutils==0.8.1
 simplejson==2.5.2
 mock
 py-bcrypt
-mercurial>=2.3.0,<2.4
\ No newline at end of file
+mercurial==2.3.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -60,10 +60,10 @@ if sys.version_info < (2, 7):
     requirements.append("unittest2")
 
 if is_windows:
-    requirements.append("mercurial>=2.3.0,<2.4")
+    requirements.append("mercurial==2.3.0")
 else:
     requirements.append("py-bcrypt")
-    requirements.append("mercurial>=2.3.0,<2.4")
+    requirements.append("mercurial==2.3.0")
 
 
 dependency_links = [