diff --git a/pkgs/applications/networking/syncthing/default.nix b/pkgs/applications/networking/syncthing/default.nix
index 16e3c61bcc1f..59c0f6d92b04 100644
--- a/pkgs/applications/networking/syncthing/default.nix
+++ b/pkgs/applications/networking/syncthing/default.nix
@@ -1,20 +1,19 @@
 { stdenv, lib, fetchFromGitHub, go, pkgs }:
+
 let
   removeExpr = ref: ''
     sed -i "s,${ref},$(echo "${ref}" | sed "s,$NIX_STORE/[^-]*,$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee,"),g" \
   '';
 
-in
-
-stdenv.mkDerivation rec {
-  version = "0.14.19";
+in stdenv.mkDerivation rec {
+  version = "0.14.21";
   name = "syncthing-${version}";
 
   src = fetchFromGitHub {
     owner  = "syncthing";
     repo   = "syncthing";
     rev    = "v${version}";
-    sha256 = "16wpw9ndx3x37mfnymp2fx9n2az9ibyr61zgq3mh2mszzzl7bkcg";
+    sha256 = "0gxv4r7zg2rxjj0q8iiq3p5s75kwshcy6drjv65k8p2778bbvcjl";
   };
 
   buildInputs = [ go ];