diff --git a/setup.py b/setup.py
index 3179bbfa..e11fca66 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
                               'templates/*'], },
       install_requires = ['numpy>=1.6', 'scipy',
                           'pyyaml',
-                          'GromacsWrapper>=0.5.0',
+                          'GromacsWrapper>=0.5.1',
                           'RecSQL>=0.7.5'],
       tests_require = ['pytest'],
       zip_safe = True,