diff --git a/lib/libc/Versions.def b/lib/libc/Versions.def
--- a/lib/libc/Versions.def
+++ b/lib/libc/Versions.def
@@ -38,6 +38,10 @@
 FBSD_1.7 {
 } FBSD_1.6;
 
+# This version was first added to 15.0-current.
+FBSD_1.8 {
+} FBSD_1.7;
+
 # This is our private namespace.  Any global interfaces that are
 # strictly for use only by other FreeBSD applications and libraries
 # are listed here.  We use a separate namespace so we can write
@@ -45,4 +49,4 @@
 #
 # Please do NOT increment the version of this namespace.
 FBSDprivate_1.0 {
-} FBSD_1.7;
+} FBSD_1.8;