diff --git a/pkgs/development/compilers/mono/4.6.nix b/pkgs/development/compilers/mono/4.6.nix
index 03ccd776c600..283c34efb321 100644
--- a/pkgs/development/compilers/mono/4.6.nix
+++ b/pkgs/development/compilers/mono/4.6.nix
@@ -2,6 +2,6 @@
 
 callPackage ./generic.nix (rec {
   inherit Foundation libobjc;
-  version = "4.6.0.182";
-  sha256 = "1sajwl7fqhkcmh697qqjj4z6amzkay7xf7npsvpm10gm071s5qi6";
+  version = "4.6.2.16";
+  sha256 = "190f7kcrm1y5x61s1xwdmjnwc3czsg50s3mml4xmix7byh3x2rc9";
 })