diff --git a/setup.py b/setup.py
index 1233f32..c81ffa2 100644
--- a/setup.py
+++ b/setup.py
@@ -49,7 +49,7 @@
         'torchsummary',
         'torch',
         'pdb2sql >= 0.5.0',
-        'freesasa==2.1.0;platform_system=="Linux"',
+        'freesasa==2.2.1;platform_system=="Linux"',
         'freesasa==2.1.0;platform_system=="Darwin"'
         ],
     extras_require={