diff --git a/mk/mono.mk b/mk/mono.mk
index b11823efbc..68446a2b6c 100644
--- a/mk/mono.mk
+++ b/mk/mono.mk
@@ -1,4 +1,4 @@
-NEEDED_MONO_VERSION := 4365dce8b7dfdb42837bfd11bb61284b3477a45e
+NEEDED_MONO_VERSION := 17ac7dcfc74e7371b99a1b7bf73d17e78df90c55
 NEEDED_MONO_BRANCH := 2019-06
 
 MONO_DIRECTORY := mono