diff --git a/python/thonny/thonny.SlackBuild b/python/thonny/thonny.SlackBuild
index 123cce0e25..09599afcf0 100644
--- a/python/thonny/thonny.SlackBuild
+++ b/python/thonny/thonny.SlackBuild
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Slackware build script for thonny
-# Copyright 2017-21 Tim Dickson, Scotland
+# Copyright 2017-22 Tim Dickson, Scotland
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -34,12 +34,13 @@
 #thanks to chrisw. changed build arch as install is arch specific now.
 #3.3.6   25 Mar 2021. version bump.
 #3.3.14 15 May 2022. version bump
+#4.0.0 23 Aug 2022. version bump
 
 #note. get download link from https://pypi.org/project/thonny/#files
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=thonny
-VERSION=${VERSION:-3.3.14}
+VERSION=${VERSION:-4.0.0}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
diff --git a/python/thonny/thonny.info b/python/thonny/thonny.info
index 354f70e71d..cf5b7c9d67 100644
--- a/python/thonny/thonny.info
+++ b/python/thonny/thonny.info
@@ -1,8 +1,8 @@
 PRGNAM="thonny"
-VERSION="3.3.14"
+VERSION="4.0.0"
 HOMEPAGE="http://thonny.org/"
-DOWNLOAD="https://files.pythonhosted.org/packages/d7/ad/3898155f8a8eb75bdf3ca0af567ef2c6f9ed435683a10fbd70e3d2f3df4d/thonny-3.3.14.tar.gz"
-MD5SUM="01332fb7447ab0b7cd605095408833ce"
+DOWNLOAD="https://files.pythonhosted.org/packages/de/5e/24827f79235123b1335e086656360f4d8ff5bfd6148f70e35f60a4727c43/thonny-4.0.0.tar.gz"
+MD5SUM="2251c353b5174bd7dfc3dcf94ec63441"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="python3-jedi python3-pylint pyserial mypy asttokens send2trash"