diff --git a/pkgs/servers/http/apt-cacher-ng/default.nix b/pkgs/servers/http/apt-cacher-ng/default.nix
index 625d9406641c..9e485946a18d 100644
--- a/pkgs/servers/http/apt-cacher-ng/default.nix
+++ b/pkgs/servers/http/apt-cacher-ng/default.nix
@@ -2,20 +2,21 @@
 
 stdenv.mkDerivation rec {
   name = "apt-cacher-ng-${version}";
-  version = "0.8.9";
+  version = "0.9.1";
 
   src = fetchurl {
     url = "http://ftp.debian.org/debian/pool/main/a/apt-cacher-ng/apt-cacher-ng_${version}.orig.tar.xz";
-    sha256 = "15zkacy8n6fiklqpdk139pa7qssynrr9akv5h54ky1l53n0k70m6";
+    sha256 = "1d686knvig1niapc1ib2045f7jfad3m4jvz6gkwm276fqvm4p694";
   };
 
   NIX_LDFLAGS = "-lpthread";
-  buildInputs = [ doxygen cmake zlib openssl bzip2 pkgconfig libpthreadstubs ];
+  nativeBuildInputs = [ cmake doxygen pkgconfig ];
+  buildInputs = [ zlib openssl bzip2 libpthreadstubs ];
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "A caching proxy specialized for linux distribution files";
-    homepage = http://www.unix-ag.uni-kl.de/~bloch/acng/;
-    license = stdenv.lib.licenses.gpl2;
-    maintainers = [ stdenv.lib.maintainers.makefu ];
+    homepage = https://www.unix-ag.uni-kl.de/~bloch/acng/;
+    license = licenses.gpl2;
+    maintainers = [ maintainers.makefu ];
   };
 }