diff --git a/UPDATING b/UPDATING
index c97ba37d644..15db36e0b44 100644
--- a/UPDATING
+++ b/UPDATING
@@ -27,6 +27,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 15.x IS SLOW:
 	world, or to merely disable the most expensive debugging functionality
 	at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20250412:
+	LinuxKPI alloc routines were changed to return physically contiguous
+	memory where expected. These changes may require out-of-tree drivers
+	to be recompiled.
+	Bump __FreeBSD_version to 1500037 to be able to detect this change.
+
 20250409:
 	Intel iwlwifi firmware has been removed from the src repository.
 	Before updating their system, users of iwlwifi(4) or iwx(4) must
diff --git a/sys/sys/param.h b/sys/sys/param.h
index 4b7b4853e19..39f3535a136 100644
--- a/sys/sys/param.h
+++ b/sys/sys/param.h
@@ -73,7 +73,7 @@
  * cannot include sys/param.h and should only be updated here.
  */
 #undef __FreeBSD_version
-#define __FreeBSD_version 1500036
+#define __FreeBSD_version 1500037
 
 /*
  * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,