diff --git a/git-clang-format.py b/git-clang-format.py
index f9667b6..e4ec21e 100644
--- a/git-clang-format.py
+++ b/git-clang-format.py
@@ -90,6 +90,7 @@ def main():
       'ts',  # TypeScript
       'cs',  # C Sharp
       'sv', 'svh', 'v', 'vh', # Verilog
+      'json',  # JSON
       ])
 
   p = argparse.ArgumentParser(