diff --git a/pkgs/by-name/pa/parallel-hashmap/package.nix b/pkgs/by-name/pa/parallel-hashmap/package.nix
index 166e0167615a..5feab9c3c805 100644
--- a/pkgs/by-name/pa/parallel-hashmap/package.nix
+++ b/pkgs/by-name/pa/parallel-hashmap/package.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "parallel-hashmap";
-  version = "1.3.12";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "greg7mdp";
     repo = "parallel-hashmap";
     rev = "refs/tags/v${finalAttrs.version}";
-    hash = "sha256-6KhzXUxa4WOsRrPmSSgguFxRGTOTIaxiJBFFSzOhch0=";
+    hash = "sha256-19rWcnMtWgqYlLylUjgI/p3aAM0Ois3CKoMuMmLQHmM=";
   };
 
   postPatch = ''