diff --git a/tools/coding_standard/homepage.py b/tools/coding_standard/homepage.py
index 7c5975a03f..8d3f158a24 100644
--- a/tools/coding_standard/homepage.py
+++ b/tools/coding_standard/homepage.py
@@ -6,7 +6,10 @@ from __future__ import print_function
 import sys
 
 if sys.version_info.major < 3:
-    sys.exit('This script must be run with Python 3.x')
+    sys.exit('This script must be run with Python 3.5 or later')
+
+if sys.version_info.minor < 5:
+    sys.exit('This script must be run with Python 3.5 or later')
 
 import os
 import glob
diff --git a/tools/coding_standard/permissions.py b/tools/coding_standard/permissions.py
index 57ea3c90a5..f76cfc1883 100644
--- a/tools/coding_standard/permissions.py
+++ b/tools/coding_standard/permissions.py
@@ -6,7 +6,10 @@ from __future__ import print_function
 import sys
 
 if sys.version_info.major < 3:
-    sys.exit('This script must be run with Python 3.x')
+    sys.exit('This script must be run with Python 3.5 or later')
+
+if sys.version_info.minor < 5:
+    sys.exit('This script must be run with Python 3.5 or later')
 
 import os
 import glob
diff --git a/tools/coding_standard/whitespace.py b/tools/coding_standard/whitespace.py
index 081aa6ca94..5bf3e1084e 100644
--- a/tools/coding_standard/whitespace.py
+++ b/tools/coding_standard/whitespace.py
@@ -6,7 +6,10 @@ from __future__ import print_function
 import sys
 
 if sys.version_info.major < 3:
-    sys.exit('This script must be run with Python 3.x')
+    sys.exit('This script must be run with Python 3.5 or later')
+
+if sys.version_info.minor < 5:
+    sys.exit('This script must be run with Python 3.5 or later')
 
 import os
 import glob