diff --git a/pkgs/development/libraries/jemalloc/default.nix b/pkgs/development/libraries/jemalloc/default.nix
index ebe9ce46f9ab..ee8703a4cf38 100644
--- a/pkgs/development/libraries/jemalloc/default.nix
+++ b/pkgs/development/libraries/jemalloc/default.nix
@@ -6,11 +6,11 @@
 
 stdenv.mkDerivation rec {
   name = "jemalloc-${version}";
-  version = "4.5.0";
+  version = "5.0.1";
 
   src = fetchurl {
     url = "https://github.com/jemalloc/jemalloc/releases/download/${version}/${name}.tar.bz2";
-    sha256 = "9409d85664b4f135b77518b0b118c549009dc10f6cba14557d170476611f6780";
+    sha256 = "4814781d395b0ef093b21a08e8e6e0bd3dab8762f9935bbfb71679b0dea7c3e9";
   };
 
   # By default, jemalloc puts a je_ prefix onto all its symbols on OSX, which