diff --git a/README.md b/README.md
index a29096b..b4c2609 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 ## Overview
 osTicket is a widely-used open source support ticket system. It seamlessly integrates inquiries created via email, phone and web-based forms into a simple easy-to-use multi-user web interface. Manage, organize and archive all your support requests and responses in one place while providing your customers with accountability and responsiveness they deserve.
 
-**Shipped version:** 1.15.2
+**Shipped version:** 1.15.3.1
 
 ## Screenshots
 
diff --git a/check_process b/check_process
index 44ff7c5..17db2ca 100644
--- a/check_process
+++ b/check_process
@@ -27,6 +27,8 @@
 		#upgrade=1	from_commit=fe0bd01ffa787713e2b36408abe1e44033aacb69
 		# 1.15.2~ynh1
 		upgrade=1	from_commit=20349f58ebb98ce87d3a80da18f11a7bafa04985
+		# 1.15.2~ynh2
+		upgrade=1	from_commit=55e224ea95f384ab8db46941366b0205cd8d3032
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
@@ -43,3 +45,5 @@ Notification=none
 		name=1.14.3
 	; commit=20349f58ebb98ce87d3a80da18f11a7bafa04985
 		name=1.15.2~ynh1
+	; commit=55e224ea95f384ab8db46941366b0205cd8d3032
+		name=1.15.2~ynh2
diff --git a/conf/app.src b/conf/app.src
index 534c8b3..9b7a870 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/osTicket/osTicket/releases/download/v1.15.2/osTicket-v1.15.2.zip
-SOURCE_SUM=83c435956f3975eefcc001152ce848bf00f26cdc97305e312b7653d6f843a252
+SOURCE_URL=https://github.com/osTicket/osTicket/releases/download/v1.15.3.1/osTicket-v1.15.3.1.zip
+SOURCE_SUM=5417aaaa617980ed4e653fcfc1d4330951720841a64a28e8ada922e233a244ce
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/conf/core-plugins.src b/conf/core-plugins.src
index 45e1acb..06cd7a7 100644
--- a/conf/core-plugins.src
+++ b/conf/core-plugins.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/osTicket/osTicket-plugins/archive/52f7bae08699d9408180d0a67b327e79c095cd37.tar.gz
-SOURCE_SUM=468087ea48af6ef1b8372a7542974e1d2f00759c7e3fa87209ce06e7d6c0af70
+SOURCE_URL=https://github.com/osTicket/osTicket-plugins/archive/f00b381190164b237cfb799a4fc4ce6a86eea9f4.tar.gz
+SOURCE_SUM=ab2518d70454faad37666f47b41f6bc861c8928b44f574307c1494e9df8ff591
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/plugin-archiver.src b/conf/plugin-archiver.src
index d57b13f..26721af 100644
--- a/conf/plugin-archiver.src
+++ b/conf/plugin-archiver.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/clonemeagain/osticket-plugin-archiver/archive/6f14d3908e1c92c6d95ac28bdd33b03f6e67c5e5.tar.gz
-SOURCE_SUM=9b2cb9bc20a5539a67b51cc7a1299d2b6d8ad3cfa1c9b62947745d4321e09d52
+SOURCE_URL=https://github.com/clonemeagain/osticket-plugin-archiver/archive/df6eab6bb6a65d6aa02215b1becb01238883c62f.tar.gz
+SOURCE_SUM=c3fa4416853fe2eb918cd68a6f0965c4b66dd411b79993614a47eea5baa095f2
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/plugin-autocloser.src b/conf/plugin-autocloser.src
index 088afb5..90d3fa2 100644
--- a/conf/plugin-autocloser.src
+++ b/conf/plugin-autocloser.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/clonemeagain/plugin-autocloser/archive/b5ae451567a3a9a4f79ab19e2781816ea8138cbf.tar.gz
-SOURCE_SUM=5ecd1201ef1606222a37b5be2fdf6e4459e0f754e474bf7bc71048ba3c38d279
+SOURCE_URL=https://github.com/clonemeagain/plugin-autocloser/archive/cc986b6a6c687144dca258e42dea6e00eca126df.tar.gz
+SOURCE_SUM=ba4dbdddaa340b8cf457cb3b04beb510565c411cca19d67dbab764b562c47b65
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/plugin-mattermost.src b/conf/plugin-mattermost.src
index 7dd63be..e97e59b 100644
--- a/conf/plugin-mattermost.src
+++ b/conf/plugin-mattermost.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/Faust13/osticket-mattermost/archive/ab73d5692fd9877947a513155548c4b581d86f09.tar.gz
-SOURCE_SUM=a4cfb94776a5e995f39f084441b00fb3219d3e40989b89a89dc9e2f3f47cd2a5
+SOURCE_URL=https://github.com/pberndro/osticket-mattermost/archive/8ac5224c121e765f22237818da1b8c189a9bd647.tar.gz
+SOURCE_SUM=d18e2c796bd96c1016334195e816445d684a10e933f997a789d340eee75c7db7
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/plugin-microsoft-teams.src b/conf/plugin-microsoft-teams.src
index 238c55c..0e3159a 100644
--- a/conf/plugin-microsoft-teams.src
+++ b/conf/plugin-microsoft-teams.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/ipavlovi/osTicket-Microsoft-Teams-plugin/archive/2cab87a9b1954c3c3d7bfff30671052e7fc69ae2.tar.gz
-SOURCE_SUM=48c208064347819580476e7133627c13414cc0307e20d0976f18077c74a28044
+SOURCE_URL=https://github.com/ipavlovi/osTicket-Microsoft-Teams-plugin/archive/dcb66302d6ffc4ee3e016acbd98949b0d69dde01.tar.gz
+SOURCE_SUM=8601973c07ca3d18f10333a3458b5b6f48a56c87361be9b3832605db245157e2
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/plugin-slack.src b/conf/plugin-slack.src
index 001fd9b..2b740f6 100644
--- a/conf/plugin-slack.src
+++ b/conf/plugin-slack.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/clonemeagain/osticket-slack/archive/ca65391b546add6d29e46cd08df6af69c0d9ea58.tar.gz
-SOURCE_SUM=c8efddb3f5abbd14abc4982a11c1d4710342eee1330c1925e60375d7787ca090
+SOURCE_URL=https://github.com/clonemeagain/osticket-slack/archive/235436a8fb92168f01fa4d4e55336d203c6eded4.tar.gz
+SOURCE_SUM=c97024c86688ba73b38fa4fa4d2329076dd7a912dca5f2aea042d6b095e6ab3e
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 7a087e3..e3b0fa7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Open source support ticket system",
         "fr": "Système de ticket de support open source"
     },
-    "version": "1.15.2~ynh2",
+    "version": "1.15.3.1~ynh1",
     "url": "https://osticket.com/",
     "license": "GPL-2.0-or-later",
     "maintainer": {