diff --git a/var/spack/repos/builtin/packages/fastjet/package.py b/var/spack/repos/builtin/packages/fastjet/package.py
index 2e2f3b462f0..7de7eb0f7a3 100644
--- a/var/spack/repos/builtin/packages/fastjet/package.py
+++ b/var/spack/repos/builtin/packages/fastjet/package.py
@@ -24,6 +24,7 @@ class Fastjet(AutotoolsPackage):
 
     license("GPL-2.0-only")
 
+    version("3.4.3", sha256="cc175471bfab8656b8c6183a8e5e9ad05d5f7506e46f3212a9a8230905b8f6a3")
     version("3.4.2", sha256="b3d33155b55ce43f420cd6d99b525acf7bdc2593a7bb7ea898a9ddb3d8ca38e3")
     version("3.4.1", sha256="05608c6ff213f06dd9de723813d6b4dccd51e661ac13098f74bfc9eeaf1cb5aa")
     version("3.4.0", sha256="ee07c8747c8ead86d88de4a9e4e8d1e9e7d7614973f5631ba8297f7a02478b91")