diff --git a/requirements.txt b/requirements.txt
index 7c437139..5f9a9169 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,6 @@ numpy==1.14.3
 lws
 torch>=0.4.0
 librosa==0.5.1
-inflect==0.2.5
 Unidecode==0.4.20
 tensorboard
 tensorboardX
diff --git a/setup.py b/setup.py
index 1574094b..b2b4b1ed 100644
--- a/setup.py
+++ b/setup.py
@@ -70,14 +70,14 @@ setup(
         'build_py': build_py,
         'develop': develop,
     },
-    setup_requires=["numpy"],
+    setup_requires=["numpy==1.14.3"],
     install_requires=[
-        "scipy",
+        "scipy==0.19.0",
         "torch == 0.4.0",
-        "librosa",
-        "unidecode",
+        "librosa==0.5.1",
+        "unidecode==0.4.20",
         "tensorboardX",
-        "matplotlib",
+        "matplotlib==2.0.2",
         "Pillow",
         "flask",
         "lws",