diff --git a/requirements.txt b/requirements.txt
index 529f52c..7e78a81 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,8 +5,6 @@ pytest-cov
 scikit-image
 scikit-learn
 matplotlib
-midiutil>=1.2.1
-midi2audio>=0.1.1
 future
 
 # Making type-hinting work in Python 2
@@ -17,5 +15,5 @@ python-coveralls
 codecov
 
 # For inference and playing pieces
-midi2audio
-midiutil
\ No newline at end of file
+midiutil>=1.2.1
+midi2audio>=0.1.1
\ No newline at end of file