diff --git a/pkgs/applications/misc/tomboy/default.nix b/pkgs/applications/misc/tomboy/default.nix
index 5d03989a39e1..4464ab6a608d 100644
--- a/pkgs/applications/misc/tomboy/default.nix
+++ b/pkgs/applications/misc/tomboy/default.nix
@@ -4,7 +4,7 @@
 , makeWrapper, lib}:
 
 let
-  version = "1.15.7";
+  version = "1.15.9";
 in
 
 stdenv.mkDerivation {
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     url = "https://github.com/tomboy-notes/tomboy/releases/download/${version}/tomboy-${version}.tar.xz";
-    sha256 = "1i6sv6w2ms2x0nkgxq11agljiyg0yl4x2rzmcyvs2hxyf574hd1y";
+    sha256 = "0j5jmd079bm2fydqaic5ymbfdxna3qlx6fkp2mqhgcdr7prsbl3q";
   };
 
   buildInputs = [ itstool intltool pkgconfig
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7910370e2591..364ce1b381c7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19129,7 +19129,9 @@ with pkgs;
 
   tomb = callPackage ../os-specific/linux/tomb {};
 
-  tomboy = callPackage ../applications/misc/tomboy {};
+  tomboy = callPackage ../applications/misc/tomboy {
+    mono = mono46;
+  };
 
   imatix_gsl = callPackage ../development/tools/imatix_gsl {};