diff --git a/mk/mono.mk b/mk/mono.mk
index 5a2e3384c6..6d0fb2ab8d 100644
--- a/mk/mono.mk
+++ b/mk/mono.mk
@@ -1,4 +1,4 @@
-NEEDED_MONO_VERSION := 36073a0c74afcce48b7eba982c4e60e1549e600d
+NEEDED_MONO_VERSION := b33fa1d00ed3b3c16c9abf8c623bb089c6ddc669
 NEEDED_MONO_BRANCH := 2019-12
 
 MONO_DIRECTORY := mono