diff --git a/var/spack/repos/builtin/packages/cmake/package.py b/var/spack/repos/builtin/packages/cmake/package.py
index b4494f75f971120ff9bffb5510286cb4cace2ead..d20b23f2b0a67baf00ba0d95eb28001aedc88056 100644
--- a/var/spack/repos/builtin/packages/cmake/package.py
+++ b/var/spack/repos/builtin/packages/cmake/package.py
@@ -33,6 +33,7 @@ class Cmake(Package):
     list_url = 'https://cmake.org/files/'
     list_depth = 1
 
+    version('3.12.3',   'acbf13af31a741794106b76e5d22448b004a66485fc99f6d7df4d22e99da164a')
     version('3.12.2',   '6e7c550cfa1c2e216b35903dc70d80af')
     version('3.12.1',   '10109246a51102bfda45ff3935275fbf')
     version('3.12.0',   'ab4aa7df9301c94cdd6f8ee4fe66458b')