diff --git a/src/common/Network/PacketDef/Ipcs.h b/src/common/Network/PacketDef/Ipcs.h
index 1dba302a..fbcf40f7 100644
--- a/src/common/Network/PacketDef/Ipcs.h
+++ b/src/common/Network/PacketDef/Ipcs.h
@@ -100,6 +100,8 @@ namespace Sapphire::Network::Packets
     LinkshellList = 0x012A, // updated 5.0
 
     MailDeleteRequest = 0x012B, // updated 5.0
+
+    FreeCompanyMemberLogInOut = 0x012C, // added 5.0
     // 12D - 137 - constant gap between 4.5x -> 5.0
     ReqMoogleMailList = 0x0138, // updated 5.0
     ReqMoogleMailLetter = 0x0139, // updated 5.0
@@ -115,6 +117,8 @@ namespace Sapphire::Network::Packets
     FreeCompanyInfo = 0x013D, // updated 4.5
     ExamineFreeCompanyInfo = 0x013E, // updated 4.5
 
+    FreeCompanyUpdateShortMessage = 0x0157, // added 5.0
+
     StatusEffectList = 0x015B, // updated 5.0
     EurekaStatusEffectList = 0x015C, // updated 5.0
     Effect = 0x015E, // updated 5.0
@@ -304,6 +308,8 @@ namespace Sapphire::Network::Packets
 
     FcInfoReqHandler = 0x011A, // updated 4.2
 
+    FreeCompanyUpdateShortMessageHandler = 0x0123, // added 5.0
+
     ReqMarketWishList = 0x012C, // updated 4.3
 
     ReqJoinNoviceNetwork = 0x0129, // updated 4.2
diff --git a/src/common/Network/PacketDef/Zone/ClientZoneDef.h b/src/common/Network/PacketDef/Zone/ClientZoneDef.h
index b15936bf..c697e461 100644
--- a/src/common/Network/PacketDef/Zone/ClientZoneDef.h
+++ b/src/common/Network/PacketDef/Zone/ClientZoneDef.h
@@ -323,6 +323,16 @@ struct FFXIVIpcMarketBoardRequestItemListingInfo :
   /* 0000 */ uint32_t requestId;
 };
 
+struct FFXIVIpcFreeCompanyUpdateShortMessageHandler :
+  FFXIVIpcBasePacket< FreeCompanyUpdateShortMessageHandler >
+{
+  char shortMessage[104]; // Contains old/gibberish data in remaining slots if not filled
+  uint8_t padding;
+  uint8_t unknown;
+  uint32_t unknown1;
+  uint16_t unknown2;
+};
+
 }
 
 #endif //_CORE_NETWORK_PACKETS_ZONE_CLIENT_IPC_H
diff --git a/src/common/Network/PacketDef/Zone/ServerZoneDef.h b/src/common/Network/PacketDef/Zone/ServerZoneDef.h
index 4fe3733d..89f3e83a 100644
--- a/src/common/Network/PacketDef/Zone/ServerZoneDef.h
+++ b/src/common/Network/PacketDef/Zone/ServerZoneDef.h
@@ -247,6 +247,22 @@ namespace Sapphire::Network::Packets::Server
     } entry[8];
   };
 
+  struct FFXIVIpcFreeCompanyMemberLogInOut : FFXIVIpcBasePacket< FreeCompanyMemberLogInOut >
+  {
+    uint16_t unknown;
+    uint16_t unknown1;
+    uint16_t unknown2;
+    uint16_t unknown3;
+    uint16_t unknown4;
+    char padding[6];
+    uint8_t status; // 0x0F Login, 0x10 Logout
+    uint8_t padding1;
+    char padding2[6];
+    uint16_t unknown5;
+    char fc[46];
+    char character[32];
+  };
+
   /**
   * Structural representation of the packet sent by the server
   * to send a list of mail the player has
@@ -301,6 +317,16 @@ namespace Sapphire::Network::Packets::Server
     uint32_t padding4;
   };
 
+  struct FFXIVIpcFreeCompanyUpdateShortMessage : FFXIVIpcBasePacket< FreeCompanyUpdateShortMessage >
+  {
+    uint32_t unknown;
+    uint16_t unknown1;
+    uint16_t unknown2;
+    uint32_t unknown3;
+    uint32_t unknown5;
+    char shortMessage[104];
+  };
+
   struct FFXIVIpcStatusEffectList : FFXIVIpcBasePacket< StatusEffectList >
   {
     uint8_t classId;