diff --git a/317-System-update.mediawiki b/317-System-update.mediawiki
new file mode 100644
index 0000000..9e29df8
--- /dev/null
+++ b/317-System-update.mediawiki
@@ -0,0 +1,19 @@
+[[Category Packet]]
+[[Category Packet 317]]
+{{packet|name=System update|description=Sends how many seconds until a 'System Update.'|opcode=114|type=Fixed|length=2|revision=317}}
+== System Update ==
+
+=== Description ===
+
+A timer showing how many seconds until a 'System Update' will appear in the lower left hand corner of the game screen. After the timer reaches 0 all players are disconnected and are unable to log in again until server is restarted. Players connecting will receive a message stating, "The server is being updated. Please wait 1 minute and try again." (unless stated otherwise).
+
+=== Packet Structure ===
+
+{| border=2
+! Data type
+! Description
+|-
+| [[Data Types#Little Endian|Little Endian]] [[Data Types#Standard data types|Short]]
+| Time until an update.
+|-
+|}
\ No newline at end of file
diff --git a/Categories.mediawiki b/Categories.mediawiki
index 9085bcb..5985875 100644
--- a/Categories.mediawiki
+++ b/Categories.mediawiki
@@ -1,9 +1,9 @@
 <!-- DO NOT EDIT THIS FILE, CODE AUTOMATICALLY GENERATED BY category.sh -->
 The following categories contain pages or media.
 * [[Category Data Type]] (3 members)
-* [[Category Packet]] (17 members)
+* [[Category Packet]] (18 members)
 * [[Category Packet 194]] (1 members)
-* [[Category Packet 317]] (14 members)
+* [[Category Packet 317]] (15 members)
 * [[Category Packet 474]] (1 members)
 * [[Category Packet {{{revision}}}]] (1 members)
 * [[Category RS2]] (4 members)
diff --git a/Category-Packet-317.mediawiki b/Category-Packet-317.mediawiki
index 27461b7..3e4ecf8 100644
--- a/Category-Packet-317.mediawiki
+++ b/Category-Packet-317.mediawiki
@@ -1,6 +1,6 @@
 <!-- DO NOT EDIT BELOW THIS LINE, OR CHANGE THIS COMMENT, CODE AUTOMATICALLY GENERATED BY category.sh -->
 == '''Pages in category "Packet 317"''' ==
-The following 14 pages are in this category.
+The following 15 pages are in this category.
 * [[317 Animation reset]]
 * [[317 Camera shake]]
 * [[317 Flash sidebar]]
@@ -15,3 +15,4 @@ The following 14 pages are in this category.
 * [[317 Send add friend]]
 * [[317 Send sidebar interface]]
 * [[317 Show interface]]
+* [[317 System update]]
diff --git a/Category-Packet.mediawiki b/Category-Packet.mediawiki
index d150bdc..4132c78 100644
--- a/Category-Packet.mediawiki
+++ b/Category-Packet.mediawiki
@@ -1,6 +1,6 @@
 <!-- DO NOT EDIT BELOW THIS LINE, OR CHANGE THIS COMMENT, CODE AUTOMATICALLY GENERATED BY category.sh -->
 == '''Pages in category "Packet"''' ==
-The following 17 pages are in this category.
+The following 18 pages are in this category.
 * [[194 Protocol]]
 * [[317 Animation reset]]
 * [[317 Camera shake]]
@@ -16,5 +16,6 @@ The following 17 pages are in this category.
 * [[317 Send add friend]]
 * [[317 Send sidebar interface]]
 * [[317 Show interface]]
+* [[317 System update]]
 * [[474 Protocol]]
 * [[Template Packet]]