--- a/setup.py
+++ b/setup.py
@@ -28,11 +28,11 @@ from setuptools.dist import Distribution
 
 requirements = [
     "IBMQuantumExperience>=1.8.29",
-    "matplotlib>=2.1,<2.2",
-    "networkx>=2.0,<2.1",
-    "numpy>=1.13,<1.15",
-    "ply==3.10",
-    "scipy>=0.19,<1.1",
+    "matplotlib>=2.1",
+    "networkx>=2.0",
+    "numpy>=1.13",
+    "ply>=3.10",
+    "scipy>=0.19",
     "sympy>=1.0",
     "pillow>=4.2.1"
 ]