diff --git a/bin/bump_version.py b/bin/bump_version.py
old mode 100755
new mode 100644
index 31e63ba80..6128fad94
--- a/bin/bump_version.py
+++ b/bin/bump_version.py
@@ -1,25 +1,16 @@
 #!/usr/bin/env python
 """Bump the version number"""
 
-version_filename = "setup.py"
-
 lines = None
 
-with open(version_filename, 'r', encoding='utf-8') as f:
+with open('version.properties', 'r', encoding='utf-8') as f:
     lines = f.readlines()
 
-with open(version_filename, 'w', encoding='utf-8') as f:
+with open('version.properties', 'w', encoding='utf-8') as f:
     for line in lines:
-        if line.lstrip().startswith("version="):
-            # get rid of quotes around the version
-            line = line.replace('"', '')
-            # get rid of trailing comma
-            line = line.replace(",", "")
-            # split on '='
-            words = line.split("=")
-            # split the version into parts (by period)
-            v = words[1].split(".")
-            ver = f'{v[0]}.{v[1]}.{int(v[2]) + 1}'
-            f.write(f'    version="{ver}",\n')
+        if line.lstrip().startswith("build = "):
+            words = line.split(" = ")
+            ver = f'build = {int(words[1]) + 1}'
+            f.write(f'{ver}\n')
         else:
             f.write(line)