diff --git a/libc/dns/gethnamaddr.c b/libc/dns/gethnamaddr.c
index 5b2f987..2d2cb71 100644
--- a/libc/dns/gethnamaddr.c
+++ b/libc/dns/gethnamaddr.c
@@ -59,7 +59,7 @@
 #include <sys/un.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include "resolv_private.h"
 #include "resolv_cache.h"
 #include <assert.h>
diff --git a/libc/dns/inet/nsap_addr.c b/libc/dns/inet/nsap_addr.c
index e18bd33..4deabac 100644
--- a/libc/dns/inet/nsap_addr.c
+++ b/libc/dns/inet/nsap_addr.c
@@ -32,7 +32,7 @@
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <assert.h>
 #include <ctype.h>
diff --git a/libc/dns/nameser/ns_name.c b/libc/dns/nameser/ns_name.c
index 85d2f60..da36425 100644
--- a/libc/dns/nameser/ns_name.c
+++ b/libc/dns/nameser/ns_name.c
@@ -29,7 +29,7 @@
 #include <sys/types.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <errno.h>
 #ifdef ANDROID_CHANGES
diff --git a/libc/dns/nameser/ns_netint.c b/libc/dns/nameser/ns_netint.c
index 1b2964f..33e6090 100644
--- a/libc/dns/nameser/ns_netint.c
+++ b/libc/dns/nameser/ns_netint.c
@@ -28,7 +28,7 @@
 
 /* Import. */
 
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 /* Public. */
 
diff --git a/libc/dns/nameser/ns_parse.c b/libc/dns/nameser/ns_parse.c
index fd94860..899ff81 100644
--- a/libc/dns/nameser/ns_parse.c
+++ b/libc/dns/nameser/ns_parse.c
@@ -31,7 +31,7 @@
 #include <sys/types.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <errno.h>
 #ifdef ANDROID_CHANGES
diff --git a/libc/dns/nameser/ns_print.c b/libc/dns/nameser/ns_print.c
index 7465e62..0b3c068 100644
--- a/libc/dns/nameser/ns_print.c
+++ b/libc/dns/nameser/ns_print.c
@@ -32,7 +32,7 @@
 #include <sys/socket.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <arpa/inet.h>
 
 #include <isc/assertions.h>
diff --git a/libc/dns/nameser/ns_samedomain.c b/libc/dns/nameser/ns_samedomain.c
index 04fdb61..d35dfe1 100644
--- a/libc/dns/nameser/ns_samedomain.c
+++ b/libc/dns/nameser/ns_samedomain.c
@@ -27,7 +27,7 @@
 #endif
 
 #include <sys/types.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <errno.h>
 #include <string.h>
 
diff --git a/libc/dns/nameser/ns_ttl.c b/libc/dns/nameser/ns_ttl.c
index cc98331..1ad3b49 100644
--- a/libc/dns/nameser/ns_ttl.c
+++ b/libc/dns/nameser/ns_ttl.c
@@ -28,7 +28,7 @@
 
 /* Import. */
 
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <ctype.h>
 #include <errno.h>
diff --git a/libc/dns/net/base64.c b/libc/dns/net/base64.c
index 7270703..1886986 100644
--- a/libc/dns/net/base64.c
+++ b/libc/dns/net/base64.c
@@ -52,7 +52,7 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <assert.h>
 #include <ctype.h>
diff --git a/libc/dns/net/getaddrinfo.c b/libc/dns/net/getaddrinfo.c
index 937c423..7da69f9 100644
--- a/libc/dns/net/getaddrinfo.c
+++ b/libc/dns/net/getaddrinfo.c
@@ -87,7 +87,7 @@
 #include <net/if.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <assert.h>
 #include <ctype.h>
 #include <errno.h>
diff --git a/libc/dns/net/getnameinfo.c b/libc/dns/net/getnameinfo.c
index d6c4488..f940109 100644
--- a/libc/dns/net/getnameinfo.c
+++ b/libc/dns/net/getnameinfo.c
@@ -61,7 +61,7 @@
 #include <assert.h>
 #include <limits.h>
 #include <netdb.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include "resolv_private.h"
 #include <sys/system_properties.h>
 #include <stdlib.h>
diff --git a/libc/dns/resolv/herror.c b/libc/dns/resolv/herror.c
index e90e641..9aaf696 100644
--- a/libc/dns/resolv/herror.c
+++ b/libc/dns/resolv/herror.c
@@ -65,7 +65,7 @@
 #include <sys/uio.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <netdb.h>
 #ifdef ANDROID_CHANGES
diff --git a/libc/dns/resolv/res_cache.c b/libc/dns/resolv/res_cache.c
index 5e2bb5c..fa7345c 100644
--- a/libc/dns/resolv/res_cache.c
+++ b/libc/dns/resolv/res_cache.c
@@ -34,7 +34,7 @@
 #include "pthread.h"
 
 #include <errno.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <sys/system_properties.h>
 #include <net/if.h>
 #include <netdb.h>
diff --git a/libc/dns/resolv/res_comp.c b/libc/dns/resolv/res_comp.c
index 77b81b4..987b228 100644
--- a/libc/dns/resolv/res_comp.c
+++ b/libc/dns/resolv/res_comp.c
@@ -82,7 +82,7 @@
 #include <sys/types.h>
 #include <sys/param.h>
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <ctype.h>
 #ifdef ANDROID_CHANGES
 #include "resolv_private.h"
diff --git a/libc/dns/resolv/res_data.c b/libc/dns/resolv/res_data.c
index 7e5a308..9bc02e7 100644
--- a/libc/dns/resolv/res_data.c
+++ b/libc/dns/resolv/res_data.c
@@ -35,7 +35,7 @@
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <ctype.h>
 #include <netdb.h>
diff --git a/libc/dns/resolv/res_debug.c b/libc/dns/resolv/res_debug.c
index 46e583b..12b79e0 100644
--- a/libc/dns/resolv/res_debug.c
+++ b/libc/dns/resolv/res_debug.c
@@ -113,7 +113,7 @@
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <ctype.h>
 #include <errno.h>
diff --git a/libc/dns/resolv/res_init.c b/libc/dns/resolv/res_init.c
index ceb412b..973226a 100644
--- a/libc/dns/resolv/res_init.c
+++ b/libc/dns/resolv/res_init.c
@@ -89,7 +89,7 @@
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 
 #include <ctype.h>
 #include <stdio.h>
diff --git a/libc/dns/resolv/res_mkquery.c b/libc/dns/resolv/res_mkquery.c
index fb4de7f..3736aa1 100644
--- a/libc/dns/resolv/res_mkquery.c
+++ b/libc/dns/resolv/res_mkquery.c
@@ -86,7 +86,7 @@
 #include <sys/types.h>
 #include <sys/param.h>
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <netdb.h>
 #ifdef ANDROID_CHANGES
 #include "resolv_private.h"
diff --git a/libc/dns/resolv/res_query.c b/libc/dns/resolv/res_query.c
index d31e83c..fa50631 100644
--- a/libc/dns/resolv/res_query.c
+++ b/libc/dns/resolv/res_query.c
@@ -86,7 +86,7 @@
 #include <sys/param.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <ctype.h>
 #include <errno.h>
 #include <netdb.h>
diff --git a/libc/dns/resolv/res_send.c b/libc/dns/resolv/res_send.c
index e587bdc..8e1f318 100644
--- a/libc/dns/resolv/res_send.c
+++ b/libc/dns/resolv/res_send.c
@@ -95,7 +95,7 @@
 #include <sys/uio.h>
 
 #include <netinet/in.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <arpa/inet.h>
 
 #include <errno.h>
diff --git a/libc/dns/resolv/res_state.c b/libc/dns/resolv/res_state.c
index f5d01a1..087a5e6 100644
--- a/libc/dns/resolv/res_state.c
+++ b/libc/dns/resolv/res_state.c
@@ -28,7 +28,7 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 #include <arpa/inet.h>
-#include "arpa_nameser.h"
+#include <arpa/nameser.h>
 #include <netdb.h>
 #include "resolv_private.h"
 #include "resolv_cache.h"