diff --git a/var/spack/repos/builtin/packages/libxc/package.py b/var/spack/repos/builtin/packages/libxc/package.py
index 6803488e48..6b45e7f2bb 100644
--- a/var/spack/repos/builtin/packages/libxc/package.py
+++ b/var/spack/repos/builtin/packages/libxc/package.py
@@ -13,6 +13,7 @@ class Libxc(AutotoolsPackage):
     homepage = "https://tddft.org/programs/libxc/"
     url      = "https://www.tddft.org/programs/libxc/down.php?file=2.2.2/libxc-2.2.2.tar.gz"
 
+    version('4.3.4', sha256='a8ee37ddc5079339854bd313272856c9d41a27802472ee9ae44b58ee9a298337')
     version('4.3.2', sha256='bc159aea2537521998c7fb1199789e1be71e04c4b7758d58282622e347603a6f')
     version('4.2.3', sha256='02e49e9ba7d21d18df17e9e57eae861e6ce05e65e966e1e832475aa09e344256')
     version('3.0.0', sha256='5542b99042c09b2925f2e3700d769cda4fb411b476d446c833ea28c6bfa8792a')