diff --git a/pyproject.toml b/pyproject.toml
index 61c2716..163d7f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ requires-python = ">=3.9"
 readme = "readme.md"
 dependencies= [
 ##  "natlink>=5.3.4",
-    "pysimplegui>=4.60.3", 
+    "FreeSimpleGUI>=5.1.0", 
     "pydebugstring >= 1.0.0.1",
     "dtactions>=1.6.1",
     "platformdirs >= 4.2.0"
diff --git a/src/natlinkcore/__init__.py b/src/natlinkcore/__init__.py
index 71f1259..47e6b1f 100644
--- a/src/natlinkcore/__init__.py
+++ b/src/natlinkcore/__init__.py
@@ -1,6 +1,6 @@
 '''Python portion of Natlink, a compatibility module for Dragon Naturally Speaking
 The python stuff including test modules'''
-__version__="5.3.12"
+__version__="5.3.13"
 #pylint:disable=
 from pathlib import Path
 
diff --git a/src/natlinkcore/configure/natlinkconfig_gui.py b/src/natlinkcore/configure/natlinkconfig_gui.py
index e85d0d4..efdda99 100644
--- a/src/natlinkcore/configure/natlinkconfig_gui.py
+++ b/src/natlinkcore/configure/natlinkconfig_gui.py
@@ -2,7 +2,7 @@
 import sys
 import platform
 
-import PySimpleGUI as sg
+import FreeSimpleGUI as sg
 import logging
 from platformdirs import  user_log_dir
 from pathlib import Path