diff --git a/package/mosquitto/0001-Fix-build-failure-when-using-WITH_ADNS-yes.patch b/package/mosquitto/0001-Fix-build-failure-when-using-WITH_ADNS-yes.patch
new file mode 100644
index 0000000000..3e79a1750a
--- /dev/null
+++ b/package/mosquitto/0001-Fix-build-failure-when-using-WITH_ADNS-yes.patch
@@ -0,0 +1,27 @@
+From 9378016b19521aa6c281f475267c5cb67ea967d1 Mon Sep 17 00:00:00 2001
+From: "Roger A. Light" <roger@atchoo.org>
+Date: Fri, 8 Feb 2019 21:34:08 +0000
+Subject: [PATCH] Fix build failure when using WITH_ADNS=yes
+
+[Peter: drop ChangeLog.txt modification]
+Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
+---
+ src/bridge.c  | 2 +-
+ 1 files changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/bridge.c b/src/bridge.c
+index 6e4b94f..d9611f0 100644
+--- a/src/bridge.c
++++ b/src/bridge.c
+@@ -228,7 +228,7 @@ int bridge__connect_step3(struct mosquitto_db *db, struct mosquitto *context)
+ {
+ 	int rc;
+ 
+-	rc = net__socket_connect_step3(context, context->bridge->addresses[context->bridge->cur_address].address, context->bridge->addresses[context->bridge->cur_address].port, NULL, false);
++	rc = net__socket_connect_step3(context, context->bridge->addresses[context->bridge->cur_address].address);
+ 	if(rc > 0){
+ 		if(rc == MOSQ_ERR_TLS){
+ 			net__socket_close(db, context);
+-- 
+2.11.0
+
diff --git a/package/mosquitto/0002-Don-t-require-C99-compiler.patch b/package/mosquitto/0002-Don-t-require-C99-compiler.patch
new file mode 100644
index 0000000000..7ca40903eb
--- /dev/null
+++ b/package/mosquitto/0002-Don-t-require-C99-compiler.patch
@@ -0,0 +1,35 @@
+From 04e89450c0aeb0e6fdff58aca3cffce10b29fb98 Mon Sep 17 00:00:00 2001
+From: "Roger A. Light" <roger@atchoo.org>
+Date: Sat, 9 Feb 2019 13:52:09 +0000
+Subject: [PATCH] Don't require C99 compiler.
+
+[Peter: drop ChangeLog.txt modification]
+Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
+---
+ src/persist.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/persist.c b/src/persist.c
+index 2f40086..13b34d2 100644
+--- a/src/persist.c
++++ b/src/persist.c
+@@ -720,6 +720,7 @@ static int persist__msg_store_chunk_restore(struct mosquitto_db *db, FILE *db_fp
+ 	struct mosquitto_msg_store *stored = NULL;
+ 	struct mosquitto_msg_store_load *load;
+ 	char *err;
++	int i;
+ 
+ 	payload.ptr = NULL;
+ 
+@@ -749,7 +750,7 @@ static int persist__msg_store_chunk_restore(struct mosquitto_db *db, FILE *db_fp
+ 		read_e(db_fptr, &i16temp, sizeof(uint16_t));
+ 		source_port = ntohs(i16temp);
+ 		if(source_port){
+-			for(int i=0; i<db->config->listener_count; i++){
++			for(i=0; i<db->config->listener_count; i++){
+ 				if(db->config->listeners[i].port == source_port){
+ 					source.listener = &db->config->listeners[i];
+ 					break;
+-- 
+2.11.0
+
diff --git a/package/mosquitto/mosquitto.hash b/package/mosquitto/mosquitto.hash
index 831171c082..da28c4f67f 100644
--- a/package/mosquitto/mosquitto.hash
+++ b/package/mosquitto/mosquitto.hash
@@ -1,5 +1,5 @@
 # Locally calculated after checking gpg signature
-sha256 fcdb47e340864c545146681af7253399cc292e41775afd76400fda5b0d23d668  mosquitto-1.5.5.tar.gz
+sha256 d5bdc13cc668350026376d57fc14de10aaee029f6840707677637d15e0751a40  mosquitto-1.5.6.tar.gz
 
 # License files
 sha256 cc77e25bafd40637b7084f04086d606f0a200051b61806f97c93405926670bc1  LICENSE.txt
diff --git a/package/mosquitto/mosquitto.mk b/package/mosquitto/mosquitto.mk
index 1536a5ef26..962fe66049 100644
--- a/package/mosquitto/mosquitto.mk
+++ b/package/mosquitto/mosquitto.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MOSQUITTO_VERSION = 1.5.5
+MOSQUITTO_VERSION = 1.5.6
 MOSQUITTO_SITE = https://mosquitto.org/files/source
 MOSQUITTO_LICENSE = EPL-1.0 or EDLv1.0
 MOSQUITTO_LICENSE_FILES = LICENSE.txt epl-v10 edl-v10