diff --git a/python/py-simplejson/Portfile b/python/py-simplejson/Portfile
index e420b1e8fe60f..a0c4457c7004e 100644
--- a/python/py-simplejson/Portfile
+++ b/python/py-simplejson/Portfile
@@ -10,7 +10,7 @@ categories-append   www
 platforms           darwin
 license             MIT
 
-python.versions     27 39 310 311 312
+python.versions     27 39 310 311 312 313
 
 maintainers         {stromnov @stromnov} openmaintainer