diff --git a/CMakeLists.txt b/CMakeLists.txt
index 918f13a5c419d76aee82745a4ca3c01b872f1f30..0e9c9c5ee700d84f30ed92344dae7a1c65a16b49 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,7 @@ INCLUDE(SourceStatus)
 # OTB version number.  An even minor number corresponds to releases.
 SET(OTB_VERSION_MAJOR "3")
 SET(OTB_VERSION_MINOR "9")
-SET(OTB_VERSION_PATCH "0")
+SET(OTB_VERSION_PATCH "1")
 
 # Version string should not include patch level.  The major.minor is
 # enough to distinguish available features of the toolkit.