diff --git a/libc/kernel/common/linux/socket.h b/libc/kernel/common/linux/socket.h
index b578df9..c30dae0 100644
--- a/libc/kernel/common/linux/socket.h
+++ b/libc/kernel/common/linux/socket.h
@@ -138,7 +138,8 @@
 #define AF_LLC 26  
 #define AF_TIPC 30  
 #define AF_BLUETOOTH 31  
-#define AF_MAX 32  
+#define AF_CAIF 38  
+#define AF_MAX 39  
 
 #define PF_UNSPEC AF_UNSPEC
 #define PF_UNIX AF_UNIX
@@ -170,6 +171,7 @@
 #define PF_LLC AF_LLC
 #define PF_TIPC AF_TIPC
 #define PF_BLUETOOTH AF_BLUETOOTH
+#define PF_CAIF AF_CAIF
 #define PF_MAX AF_MAX
 
 #define SOMAXCONN 128