diff --git a/setup.py b/setup.py
index 02554db..6498916 100644
--- a/setup.py
+++ b/setup.py
@@ -45,9 +45,9 @@
 
   url='https://github.com/jewettaij/moltemplate',
 
-  download_url='https://github.com/jewettaij/moltemplate/archive/v2.20.19.zip',
+  download_url='https://github.com/jewettaij/moltemplate/archive/v2.20.20.zip',
 
-  version='2.20.19',
+  version='2.20.20',
 
   keywords=['simulation', 'LAMMPS', 'molecule editor', 'molecule builder',
             'ESPResSo'],