diff --git a/requirements.txt b/requirements.txt
index 2c601ef..87331d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ pytest
 #rdkit cannot be installed through PyPI
 AdaptivePELE>=1.7.1
 lib_prep>=1.1.2 
-peleffy>=1.3.0
+peleffy>=1.3.2