diff --git a/var/spack/repos/builtin/packages/cgal/package.py b/var/spack/repos/builtin/packages/cgal/package.py
index 152b260091..dccceb2732 100644
--- a/var/spack/repos/builtin/packages/cgal/package.py
+++ b/var/spack/repos/builtin/packages/cgal/package.py
@@ -18,6 +18,7 @@ class Cgal(CMakePackage):
     url = "https://github.com/CGAL/cgal/releases/download/v5.4.1/CGAL-5.4.1.tar.xz"
 
     version("5.6", sha256="dcab9b08a50a06a7cc2cc69a8a12200f8d8f391b9b8013ae476965c10b45161f")
+    version("5.5.3", sha256="0a04f662693256328b05babfabb5e3a5b7db2f5a58d52e3c520df9d0828ddd73")
     version("5.5.2", sha256="b2b05d5616ecc69facdc24417cce0b04fb4321491d107db45103add520e3d8c3")
     version("5.4.1", sha256="4c3dd7ee4d36d237111a4d72b6e14170093271595d5b695148532daa95323d76")
     version("5.3.2", sha256="af917dbc550388ebcb206f774e610fbdb914d95a4b2932fa952279129103852b")