diff --git a/src/cli.js b/src/cli.js
index 242095c25db..7a9d4acedd0 100755
--- a/src/cli.js
+++ b/src/cli.js
@@ -57,6 +57,7 @@ program
     'set the log level, either "0" (no output), "1" (errors), "2" (warnings + errors) or "3" (all).',
     /^([0-3])$/
   )
+  .option('--cache-dir <path>', 'set the cache directory. defaults to ".cache"')
   .action(bundle);
 
 program
@@ -101,6 +102,7 @@ program
     'set the log level, either "0" (no output), "1" (errors), "2" (warnings + errors) or "3" (all).',
     /^([0-3])$/
   )
+  .option('--cache-dir <path>', 'set the cache directory. defaults to ".cache"')
   .action(bundle);
 
 program
@@ -140,6 +142,7 @@ program
     'set the log level, either "0" (no output), "1" (errors), "2" (warnings + errors) or "3" (all).',
     /^([0-3])$/
   )
+  .option('--cache-dir <path>', 'set the cache directory. defaults to ".cache"')
   .action(bundle);
 
 program