diff --git a/bitbake/lib/bb/command.py b/bitbake/lib/bb/command.py
index 24ff341045..2b02584b5e 100644
--- a/bitbake/lib/bb/command.py
+++ b/bitbake/lib/bb/command.py
@@ -267,6 +267,12 @@ class CommandsSync:
         features = params[0]
         command.cooker.setFeatures(features)
 
+    def unlockBitbake(self, command, params):
+        """
+        Unlock bitbake.lock file
+        """
+        command.cooker.unlockBitbake()
+
     # although we change the internal state of the cooker, this is transparent since
     # we always take and leave the cooker in state.initial
     setFeatures.readonly = True