diff --git a/python_apps/airtime_analyzer/setup.py b/python_apps/airtime_analyzer/setup.py
index b2c643c48..c9f33f45a 100644
--- a/python_apps/airtime_analyzer/setup.py
+++ b/python_apps/airtime_analyzer/setup.py
@@ -27,7 +27,7 @@ setup(name='airtime_analyzer',
       packages=['airtime_analyzer'],
       scripts=['bin/airtime_analyzer'],
       install_requires=[
-          'mutagen=1.31', # The Mutagen guys change stuff all the time that break our unit tests. Watch out for this.
+          'mutagen==1.31', # The Mutagen guys change stuff all the time that break our unit tests. Watch out for this.
           'pika',
           'daemon',
           'python-magic',