diff --git a/setup.py b/setup.py
index f154946..202d037 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
         'scipy',
         'numpy',
         'matplotlib',
-        'phat==1.5.0a0',
+        'phat==1.5.0',
         'persim'
       ],
       extras_require={ # use `pip install -e ".[testing]"`