diff --git a/Misc/NEWS b/Misc/NEWS
index 285e8a4..07d1102 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -62,6 +62,8 @@
 Extension Modules
 -----------------
 
+- RLIMIT_SBSIZE was added to the resource module where available.
+
 - Bug #1551427: fix a wrong NULL pointer check in the win32 version
   of os.urandom().
 
diff --git a/Modules/resource.c b/Modules/resource.c
index fe6f3b6..d38c660 100644
--- a/Modules/resource.c
+++ b/Modules/resource.c
@@ -298,6 +298,10 @@
 	PyModule_AddIntConstant(m, "RLIMIT_MEMLOCK", RLIMIT_MEMLOCK);
 #endif
 
+#ifdef RLIMIT_SBSIZE
+	PyModule_AddIntConstant(m, "RLIMIT_SBSIZE", RLIMIT_SBSIZE);
+#endif
+
 #ifdef RUSAGE_SELF
 	PyModule_AddIntConstant(m, "RUSAGE_SELF", RUSAGE_SELF);
 #endif