diff --git a/src/debugpy/adapter/clients.py b/src/debugpy/adapter/clients.py
index ee1d1514..1e58802a 100644
--- a/src/debugpy/adapter/clients.py
+++ b/src/debugpy/adapter/clients.py
@@ -191,6 +191,7 @@ class Client(components.Component):
             "supportsSetExpression": True,
             "supportsSetVariable": True,
             "supportsValueFormattingOptions": True,
+            "supportsTerminateDebuggee": True,
             "supportsTerminateRequest": True,
             "supportsGotoTargetsRequest": True,
             "supportsClipboardContext": True,