diff --git a/src/debugpy/adapter/clients.py b/src/debugpy/adapter/clients.py
index ee1d15145..1e58802a6 100644
--- a/src/debugpy/adapter/clients.py
+++ b/src/debugpy/adapter/clients.py
@@ -191,6 +191,7 @@ def initialize_request(self, request):
             "supportsSetExpression": True,
             "supportsSetVariable": True,
             "supportsValueFormattingOptions": True,
+            "supportsTerminateDebuggee": True,
             "supportsTerminateRequest": True,
             "supportsGotoTargetsRequest": True,
             "supportsClipboardContext": True,