diff --git a/var/spack/repos/builtin/packages/py-black/package.py b/var/spack/repos/builtin/packages/py-black/package.py
index a2cba61bc8..44324a219e 100644
--- a/var/spack/repos/builtin/packages/py-black/package.py
+++ b/var/spack/repos/builtin/packages/py-black/package.py
@@ -17,6 +17,7 @@ class PyBlack(PythonPackage):
 
     maintainers("adamjstewart")
 
+    version("23.12.0", sha256="330a327b422aca0634ecd115985c1c7fd7bdb5b5a2ef8aa9888a82e2ebe9437a")
     version("23.11.0", sha256="4c68855825ff432d197229846f971bc4d6666ce90492e5b02013bcaca4d9ab05")
     version("23.10.1", sha256="1f8ce316753428ff68749c65a5f7844631aa18c8679dfd3ca9dc1a289979c258")
     version("23.10.0", sha256="31b9f87b277a68d0e99d2905edae08807c007973eaa609da5f0c62def6b7c0bd")