diff --git a/pkgs/by-name/pa/parallel-hashmap/package.nix b/pkgs/by-name/pa/parallel-hashmap/package.nix
index caaadf9e8a59..4aee6da9ed31 100644
--- a/pkgs/by-name/pa/parallel-hashmap/package.nix
+++ b/pkgs/by-name/pa/parallel-hashmap/package.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "parallel-hashmap";
-  version = "1.4.1";
+  version = "2.0.0";
 
   src = fetchFromGitHub {
     owner = "greg7mdp";
     repo = "parallel-hashmap";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-QDRy6YPoE34VpldN66V4mcF3PqK43RSlXThm+SzxRQ4=";
+    hash = "sha256-JiDhEpAQyyPXGkY9DYLvJ2XW1Bp3Ex1iMtbzNdra95g=";
   };
 
   postPatch = ''