diff --git a/pymzml/obo/psi-ms-4.1.16.obo.gz b/pymzml/obo/psi-ms-4.1.16_rc1.obo.gz
similarity index 100%
rename from pymzml/obo/psi-ms-4.1.16.obo.gz
rename to pymzml/obo/psi-ms-4.1.16_rc1.obo.gz
diff --git a/pymzml/obo/psi-ms-4.1.180.obo.gz b/pymzml/obo/psi-ms-4.1.180.obo.gz
new file mode 100644
index 00000000..77a50381
Binary files /dev/null and b/pymzml/obo/psi-ms-4.1.180.obo.gz differ
diff --git a/pymzml/obo/psi-ms-4.1.79.obo.gz b/pymzml/obo/psi-ms-4.1.79.obo.gz
index 77a50381..d6869924 100644
Binary files a/pymzml/obo/psi-ms-4.1.79.obo.gz and b/pymzml/obo/psi-ms-4.1.79.obo.gz differ
diff --git a/tests/obo_test.py b/tests/obo_test.py
index 390c1902..daefd9fb 100755
--- a/tests/obo_test.py
+++ b/tests/obo_test.py
@@ -51,7 +51,7 @@ def test_version(self):
         for fn in self.obo_files:
             v = self._get_file_version(os.path.join(self.obodir, fn))
             _v = fn[7:-7].strip()
-            yield self._check_version, v, _v
+            self._check_version(v, _v)
 
 
 if __name__ == "__main__":