diff --git a/setup.cfg b/setup.cfg
index ffe922b..4655b4d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -40,7 +40,7 @@ install_requires =
   graphviz
   pathvalidate
   xlsxwriter
-  psd-tools
+  psd-tools <= 1.10.9
   antlr4-python3-runtime >= 4.10, < 4.11.0
 
 # GUI extra dependencies here