diff --git a/pkgs/servers/http/apt-cacher-ng/default.nix b/pkgs/servers/http/apt-cacher-ng/default.nix
index 99dd63c7ce6d..f8c4b8002045 100644
--- a/pkgs/servers/http/apt-cacher-ng/default.nix
+++ b/pkgs/servers/http/apt-cacher-ng/default.nix
@@ -4,6 +4,7 @@
 , doxygen
 , fetchurl
 , fuse
+, libevent
 , lzma
 , openssl
 , pkgconfig
@@ -14,15 +15,15 @@
 
 stdenv.mkDerivation rec {
   pname = "apt-cacher-ng";
-  version = "3.2";
+  version = "3.5";
 
   src = fetchurl {
     url = "http://ftp.debian.org/debian/pool/main/a/apt-cacher-ng/apt-cacher-ng_${version}.orig.tar.xz";
-    sha256 = "1kas5xq44rx33pczhrz05dsdhjaavxdmcs5h1ygfi76bpqvyhpa0";
+    sha256 = "0h76n02nnpg7ir9247qrxb8p4d4p282nh13zrv5bb9sfm12pril2";
   };
 
   nativeBuildInputs = [ cmake doxygen pkgconfig ];
-  buildInputs = [ bzip2 fuse lzma openssl systemd tcp_wrappers zlib ];
+  buildInputs = [ bzip2 fuse libevent lzma openssl systemd tcp_wrappers zlib ];
 
   meta = with stdenv.lib; {
     description = "A caching proxy specialized for linux distribution files";