diff --git a/var/spack/repos/builtin/packages/quantum-espresso/package.py b/var/spack/repos/builtin/packages/quantum-espresso/package.py
index 4793f2e1de..ad7ad1a3e4 100644
--- a/var/spack/repos/builtin/packages/quantum-espresso/package.py
+++ b/var/spack/repos/builtin/packages/quantum-espresso/package.py
@@ -20,6 +20,7 @@ class QuantumEspresso(Package):
     url = 'https://gitlab.com/QEF/q-e/-/archive/qe-6.3/q-e-qe-6.3.tar.gz'
     git = 'https://gitlab.com/QEF/q-e.git'
 
+    version('6.4', sha256='781366d03da75516fdcf9100a1caadb26ccdd1dedd942a6f8595ff0edca74bfe')
     version('6.3',   '1b67687d90d1d16781d566d44d14634c')
     version('6.2.1', '769cc973382156bffd35254c3dbaf453')
     version('6.2.0', '972176a58d16ae8cf0c9a308479e2b97')