diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5ae26c51..4f1f2019 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,7 @@ set( CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/Modules;${CMAKE_MODULE_PATH}"
 
 set( SFCGAL_VERSION_MAJOR 1 )
 set( SFCGAL_VERSION_MINOR 3 )
-set( SFCGAL_VERSION_PATCH 0 )
+set( SFCGAL_VERSION_PATCH 1 )
 
 set( SFCGAL_VERSION "${SFCGAL_VERSION_MAJOR}.${SFCGAL_VERSION_MINOR}.${SFCGAL_VERSION_PATCH}" )
 
diff --git a/NEWS b/NEWS
index 160777d4..973fd40f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,6 @@
-1.3.1 (201?-MM-DD):
+1.3.1 (2017-05-29):
+    * Add a SFCGAL-osg library for OSG specific functions
+    * Fix C API geometry_is_planar
     * Fix Doxygen script
 1.3.0 (2016-02-29):
     * Add a validity flag to geometries