diff --git a/pkgs/development/libraries/jemalloc/default.nix b/pkgs/development/libraries/jemalloc/default.nix
index 84638bc01ea6..8c8c181409d4 100644
--- a/pkgs/development/libraries/jemalloc/default.nix
+++ b/pkgs/development/libraries/jemalloc/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "jemalloc-${version}";
-  version = "4.3.1";
+  version = "4.5.0";
 
   src = fetchurl {
     url = "https://github.com/jemalloc/jemalloc/releases/download/${version}/${name}.tar.bz2";
-    sha256 = "12r71i8nm3vwz21fc16rwbb0pwcg5s05n1qg3rwl2s85v0x1ifzp";
+    sha256 = "9409d85664b4f135b77518b0b118c549009dc10f6cba14557d170476611f6780";
   };
 
   # By default, jemalloc puts a je_ prefix onto all its symbols on OSX, which
@@ -14,6 +14,9 @@ stdenv.mkDerivation rec {
   # option should remove the prefix and give us a working jemalloc.
   configureFlags = stdenv.lib.optional stdenv.isDarwin "--with-jemalloc-prefix=";
 
+  doCheck = true;
+
+
   meta = with stdenv.lib; {
     homepage = http://jemalloc.net;
     description = "General purpose malloc(3) implementation";