diff --git a/Resources/constants.py b/Resources/constants.py
index 90686cc..757c28f 100644
--- a/Resources/constants.py
+++ b/Resources/constants.py
@@ -27,7 +27,7 @@
 BUILD_RST = False
 
 APP_NAME = 'Cecilia5'
-APP_VERSION = '5.3.1'
+APP_VERSION = '5.3.2'
 APP_COPYRIGHT = 'iACT,  2017'
 FILE_EXTENSION = "c5"
 PRESETS_DELIMITER = "####################################\n" \
diff --git a/doc-en/source/conf.py b/doc-en/source/conf.py
index 811341c..f920275 100644
--- a/doc-en/source/conf.py
+++ b/doc-en/source/conf.py
@@ -46,9 +46,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '5.3.1'
+version = '5.3.2'
 # The full version, including alpha/beta/rc tags.
-release = '5.3.1'
+release = '5.3.2'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/doc-en/source/index.rst b/doc-en/source/index.rst
index 83a5110..fa77825 100644
--- a/doc-en/source/index.rst
+++ b/doc-en/source/index.rst
@@ -3,14 +3,14 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
-Cecilia 5.3.1 documentation
+Cecilia 5.3.2 documentation
 =============================================
 
 .. image:: /images/Cecilia_splash.png
    :scale: 75 %
    :align: center
 
-Welcome to the Cecilia 5.3.1 documentation!
+Welcome to the Cecilia 5.3.2 documentation!
 
 Cecilia is an audio signal processing environment. Cecilia lets you create
 your own GUI (grapher, sliders, toggles, popup menus) using a simple syntax.
diff --git a/scripts/builder_OSX.sh b/scripts/builder_OSX.sh
index e9e6052..42f6a22 100755
--- a/scripts/builder_OSX.sh
+++ b/scripts/builder_OSX.sh
@@ -5,8 +5,8 @@
 # Olivier Belanger, 2017
 #####################################
 
-export DMG_DIR="Cecilia5 5.3.1"
-export DMG_NAME="Cecilia5_5.3.1.dmg"
+export DMG_DIR="Cecilia5 5.3.2"
+export DMG_NAME="Cecilia5_5.3.2.dmg"
 
 python3 setup.py py2app --plist=scripts/info.plist
 
diff --git a/scripts/info.plist b/scripts/info.plist
index aad2da8..813f4e4 100644
--- a/scripts/info.plist
+++ b/scripts/info.plist
@@ -38,11 +38,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.3.1</string>
+	<string>5.3.2</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>5.3.1</string>
+	<string>5.3.2</string>
 	<key>LSHasLocalizedDisplayName</key>
 	<false/>
 	<key>NSAppleScriptEnabled</key>
diff --git a/scripts/release_src.sh b/scripts/release_src.sh
index 40cd9a8..d301a04 100755
--- a/scripts/release_src.sh
+++ b/scripts/release_src.sh
@@ -5,7 +5,7 @@
 # 2. Execute from cecilia5 folder : ./scripts/release_src.sh
 #
 
-version=5.3.1
+version=5.3.2
 replace=XXX
 
 src_rep=Cecilia5_XXX-src
diff --git a/scripts/win_installer.iss b/scripts/win_installer.iss
index 69824d0..5485885 100644
--- a/scripts/win_installer.iss
+++ b/scripts/win_installer.iss
@@ -7,7 +7,7 @@
 ; (To generate a new GUID, click Tools | Generate GUID inside the IDE.)
 AppId={{A970BBE5-4FA8-496E-9823-2491D09DA043}
 AppName=Cecilia5
-AppVersion=5.3.1
+AppVersion=5.3.2
 AppPublisher=iACT.umontreal.ca
 AppPublisherURL=http://ajaxsoundstudio.com/software/cecilia/
 AppSupportURL=https://github.com/belangeo/cecilia5
@@ -17,7 +17,7 @@ DisableDirPage=yes
 DefaultGroupName=Cecilia5
 AllowNoIcons=yes
 LicenseFile=C:\Users\olivier\git\cecilia5\Cecilia5_Win\Resources\COPYING.txt
-OutputBaseFilename=Cecilia5_5.3.1_setup
+OutputBaseFilename=Cecilia5_5.3.2_setup
 Compression=lzma
 SolidCompression=yes
 ChangesAssociations=yes
diff --git a/whatsnew.md b/whatsnew.md
index e4a41ae..65859d8 100644
--- a/whatsnew.md
+++ b/whatsnew.md
@@ -1,8 +1,12 @@
 # Changes #
 
+## Version 5.3.2 ##
+
+- Build against wxPython-4.0.0a2.
+
 ## Version 5.3.1 ##
 
-- Better handling of non-unicode characters in preferences file.
+- Better handling of non-ascii characters in preferences file.
 
 - Fixed standalone packaging on OSX.