diff --git a/pkgs/development/tools/quicktemplate/default.nix b/pkgs/development/tools/quicktemplate/default.nix
index e66500ac8339..147883afd428 100644
--- a/pkgs/development/tools/quicktemplate/default.nix
+++ b/pkgs/development/tools/quicktemplate/default.nix
@@ -2,15 +2,15 @@
 
 buildGoPackage rec {
   name = "quicktemplate-unstable-${version}";
-  version = "2018-04-30";
+  version = "2018-09-06";
   goPackagePath = "github.com/valyala/quicktemplate";
   goDeps = ./deps.nix;
 
   src = fetchFromGitHub {
     owner = "valyala";
     repo = "quicktemplate";
-    rev = "a91e0946457b6583004fbfc159339b8171423aed";
-    sha256 = "1z89ang5pkq5qs5b2nwhzyrw0zjlsas539l9kix374fhka49n8yc";
+    rev = "dc50ff9977a68a543145ce34e0e0030bebcc89be";
+    sha256 = "1980q2c5w4jhrlhf1pimc8yrkz005x3jbsi7hk4hnx6d5iy5lmb6";
   };
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/tools/quicktemplate/deps.nix b/pkgs/development/tools/quicktemplate/deps.nix
index 11a65c415c69..6064f7646818 100644
--- a/pkgs/development/tools/quicktemplate/deps.nix
+++ b/pkgs/development/tools/quicktemplate/deps.nix
@@ -5,8 +5,8 @@
     fetch = {
       type = "git";
       url = "https://github.com/valyala/bytebufferpool";
-      rev = "e746df99fe4a3986f4d4f79e13c1e0117ce9c2f7";
-      sha256 = "01lqzjddq6kz9v41nkky7wbgk7f1cw036sa7ldz10d82g5klzl93";
+      rev = "cdfbe9377474227bb42120c1e22fd4433e7f69bf";
+      sha256 = "0c6cixd85dvl2gvs7sdh0k2wm8r3grl4fw0jg4w7d78cp8s2k7ag";
     };
   }
 ]