diff --git a/var/spack/repos/builtin/packages/libctl/package.py b/var/spack/repos/builtin/packages/libctl/package.py
index f9437a4d91..353ee54dd1 100644
--- a/var/spack/repos/builtin/packages/libctl/package.py
+++ b/var/spack/repos/builtin/packages/libctl/package.py
@@ -14,6 +14,7 @@ class Libctl(AutotoolsPackage):
     git = "https://github.com/NanoComp/libctl.git"
     url = "https://github.com/NanoComp/libctl/releases/download/v4.2.0/libctl-4.2.0.tar.gz"
 
+    version("4.5.1", sha256="fcfeb2f13dda05b560f0ec6872757d9318fdfe8f4bc587eb2053a29ba328ae25")
     version("4.5.0", sha256="621e46a238c4d5e8ce0866183f8e04abac6e1a94d90932af0d56ee61370ea153")
     version("4.2.0", sha256="0341ad6ea260ecda2efb3d4b679abb3d05ca6211792381979b036177a9291975")
     version(