Update python and package version requirements

conda/meta.yaml

@@ -26,11 +26,11 @@ build:
 
 requirements:
   build:
-    - python>=3.5
+    - python>=3.6
     - pip
     - numpy>=1.11
     - scipy
-    - matplotlib-base
+    - matplotlib-base>=2.0.0
     - pyyaml
     - h5py
     - phonopy>=2.12,<2.13
@@ -39,11 +39,11 @@ requirements:
     - spglib
 
   run:
-    - python>=3.5
+    - python>=3.6
     - pip
     - numpy>=1.11
     - scipy
-    - matplotlib-base
+    - matplotlib-base>=2.0.0
     - pyyaml
     - h5py
     - phonopy>=2.12,<2.13

requirements.txt

@@ -1,5 +1,5 @@
-numpy
+numpy >= 1.11.0
 PyYAML
-matplotlib
+matplotlib >= 2.0.0
 h5py
 phonopy >=2.12,<2.13

setup.py

@@ -373,12 +373,12 @@ if __name__ == "__main__":
             author_email="atz.togo@gmail.com",
             url="http://phonopy.github.io/phono3py/",
             packages=packages_phono3py,
-            python_requires=">=3.5",
+            python_requires=">=3.6",
             install_requires=[
-                "numpy",
+                "numpy>=1.11.0",
                 "scipy",
                 "PyYAML",
-                "matplotlib",
+                "matplotlib>=2.0.0",
                 "h5py",
                 "spglib",
                 "phonopy>=2.12,<2.13",