diff --git a/CHANGELOG.md b/CHANGELOG.md
index 578be165..7ac4ebea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## CHANGELOG
 
+### Version 1.3.1
+
+* fixed error on applying plugin settings
+
 ### Version 1.3
 
 #### General
diff --git a/README.md b/README.md
index ee41d169..f5c7cf70 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-Qgis2threejs plugin - version 1.2
-=================================
+Qgis2threejs plugin - version 1.3.1
+===================================
 
   Qgis2threejs plugin exports terrain data, map canvas image and vector data to your web browser. You can view 3D objects in web browser which supports WebGL. This plugin uses three.js library (http://threejs.org).
 
diff --git a/metadata.txt b/metadata.txt
index 9b8e113f..96052f87 100644
--- a/metadata.txt
+++ b/metadata.txt
@@ -13,7 +13,7 @@ name=Qgis2threejs
 qgisMinimumVersion=2.0
 description=3D visualization powered by WebGL technology and three.js JavaScript library
 about=Qgis2threejs plugin exports terrain data, map canvas image and vector data to your web browser. You can view exported 3D objects on web browser which supports WebGL. This plugin uses three.js library.
-version=1.3
+version=1.3.1
 author=Minoru Akagi
 email=akaginch@gmail.com
 
@@ -23,6 +23,10 @@ email=akaginch@gmail.com
 
 # Uncomment the following line and add your changelog entries:
 changelog=
+    Version 1.3.1
+    - fixed error on applying plugin settings
+
+    Version 1.3
     ** General **
     - added object type for line: Box
     - added clear settings command to settings menu
diff --git a/settings.py b/settings.py
index 5c4065cc..5830d66a 100644
--- a/settings.py
+++ b/settings.py
@@ -18,7 +18,7 @@
  ***************************************************************************/
 """
 
-plugin_version = "1.3"
+plugin_version = "1.3.1"
 debug_mode = 0
 
 class DefaultSettings: