diff --git a/setup.py b/setup.py
index 704e333..604f3c8 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@
           'logbook',
           'xarray',  # new in 2.0
           'pooch', # new in 2.0
-          'pycwt>0.3.9', # new in 2.0
+          'pycwt>0.3', # new in 2.0
       ],
       extras_require={
           'doc': [