diff --git a/util/dockerfileparse.py b/util/dockerfileparse.py
index 3bb9ed35a..4a08e5dd8 100644
--- a/util/dockerfileparse.py
+++ b/util/dockerfileparse.py
@@ -1,7 +1,7 @@
 import re
 
 LINE_CONTINUATION_REGEX = re.compile('\s*\\\s*\n')
-COMMAND_REGEX = re.compile('([A-Z]+)\s(.*)')
+COMMAND_REGEX = re.compile('([A-Za-z]+)\s(.*)')
 
 COMMENT_CHARACTER = '#'
 
@@ -70,7 +70,7 @@ def parse_dockerfile(contents):
   for line in lines:
     match_command = COMMAND_REGEX.match(line)
     if match_command:
-      command = match_command.group(1)
+      command = match_command.group(1).upper()
       parameters = match_command.group(2)
 
       commands.append({