diff --git a/pkgs/applications/science/chemistry/quantum-espresso/default.nix b/pkgs/applications/science/chemistry/quantum-espresso/default.nix
index 7a7f1b3596d3..829e82b7494a 100644
--- a/pkgs/applications/science/chemistry/quantum-espresso/default.nix
+++ b/pkgs/applications/science/chemistry/quantum-espresso/default.nix
@@ -4,12 +4,12 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "6.3";
+  version = "6.4";
   name = "quantum-espresso-${version}";
 
   src = fetchurl {
     url = "https://gitlab.com/QEF/q-e/-/archive/qe-${version}/q-e-qe-${version}.tar.gz";
-    sha256 = "1738z3nhkzcrgnhnfg1r4lipbwvcrcprwhzjbjysnylmzbzwhrs0";
+    sha256 = "1zjblzf0xzwmhmpjm56xvv8wsv5jmp5a204irzyicmd77p86c4vq";
   };
 
   passthru = {
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     patchShebangs configure
   '';
 
-  # remove after 6.3 version:
+  # remove after 6.4 version:
   # makefile needs to ignore install directory easier than applying patch
   preInstall = ''
     printf "\n.PHONY: install\n" >> Makefile