diff --git a/setup.cfg b/setup.cfg
index 3ce640c4..1cb05315 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,7 +20,6 @@ install_requires =
     matplotlib>=3.5.2
 	numpy>=1.23.1
 	pandas>=1.4.3
-	pygfunction>=2.2.1
 	scipy>=1.8.1
 
 [flake8]