diff --git a/login.microsoft.com/common/.well-known/openid-configuration b/login.microsoft.com/common/.well-known/openid-configuration
index 05782399..3e4de688 100644
--- a/login.microsoft.com/common/.well-known/openid-configuration
+++ b/login.microsoft.com/common/.well-known/openid-configuration
@@ -17,6 +17,10 @@
   "id_token_signing_alg_values_supported": [
     "RS256"
   ],
+  "code_challenge_methods_supported": [
+    "plain",
+    "S256"
+  ],
   "response_types_supported": [
     "code",
     "id_token",