diff --git a/dep/rehlsdk/common/const.h b/dep/rehlsdk/common/const.h
index e8ba7c0..f539684 100644
--- a/dep/rehlsdk/common/const.h
+++ b/dep/rehlsdk/common/const.h
@@ -19,6 +19,18 @@
 #pragma once
 #endif
 
+// Max # of clients allowed in a server.
+#define MAX_CLIENTS				32
+
+// How many bits to use to encode an edict.
+#define MAX_EDICT_BITS				11			// # of bits needed to represent max edicts
+// Max # of edicts in a level (2048)
+#define MAX_EDICTS					(1<<MAX_EDICT_BITS)
+
+// How many data slots to use when in multiplayer (must be power of 2)
+#define MULTIPLAYER_BACKUP			64
+// Same for single player
+#define SINGLEPLAYER_BACKUP			8
 //
 // Constants shared by the engine and dlls
 // This header file included by engine files and DLL files.
diff --git a/dep/rehlsdk/common/qlimits.h b/dep/rehlsdk/common/qlimits.h
new file mode 100644
index 0000000..3fad403
--- /dev/null
+++ b/dep/rehlsdk/common/qlimits.h
@@ -0,0 +1,39 @@
+//========= Copyright (c) 1996-2002, Valve LLC, All rights reserved. ==========
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================
+
+#ifndef QLIMITS_H
+#define QLIMITS_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+// DATA STRUCTURE INFO
+
+#define MAX_NUM_ARGVS		50
+
+// SYSTEM INFO
+#define MAX_QPATH		64		// max length of a game pathname
+#define MAX_OSPATH		260		// max length of a filesystem pathname
+
+#define ON_EPSILON		0.1		// point on plane side epsilon
+
+#define MAX_LIGHTSTYLE_INDEX_BITS	6
+#define MAX_LIGHTSTYLES			(1<<MAX_LIGHTSTYLE_INDEX_BITS)
+
+// Resource counts;
+#define MAX_MODEL_INDEX_BITS		9	// sent as a short
+#define MAX_MODELS			(1<<MAX_MODEL_INDEX_BITS)
+#define MAX_SOUND_INDEX_BITS		9
+#define MAX_SOUNDS			(1<<MAX_SOUND_INDEX_BITS)
+
+#define MAX_GENERIC_INDEX_BITS		9
+#define MAX_GENERIC			(1<<MAX_GENERIC_INDEX_BITS)
+#define MAX_DECAL_INDEX_BITS		9
+#define MAX_BASE_DECALS			(1<<MAX_DECAL_INDEX_BITS)
+
+#endif // QLIMITS_H
diff --git a/dep/rehlsdk/common/quakedef.h b/dep/rehlsdk/common/quakedef.h
index 42a971d..ef7c7fa 100644
--- a/dep/rehlsdk/common/quakedef.h
+++ b/dep/rehlsdk/common/quakedef.h
@@ -30,6 +30,9 @@
 /* <19039> ../common/quakedef.h:29 */
 typedef int BOOL; /* size: 4 */
 
+// user message
+#define MAX_USER_MSG_DATA 192
+
 /* <627f> ../common/quakedef.h:137 */
 //moved to com_model.h
 //typedef struct cache_user_s
diff --git a/dep/rehlsdk/engine/common_rehlds.h b/dep/rehlsdk/engine/common_rehlds.h
index b2cf597..c0004a8 100644
--- a/dep/rehlsdk/engine/common_rehlds.h
+++ b/dep/rehlsdk/engine/common_rehlds.h
@@ -28,8 +28,13 @@
 #pragma once
 
 #include "const.h"
+#include "qlimits.h"
 
+#ifdef REHLDS_FIXES
+#define COM_TOKEN_LEN	2048
+#else
 #define COM_TOKEN_LEN	1024
+#endif
 
 // Don't allow overflow
 #define SIZEBUF_CHECK_OVERFLOW	0
diff --git a/dep/rehlsdk/engine/custom.h b/dep/rehlsdk/engine/custom.h
index 1bbd85d..190d769 100644
--- a/dep/rehlsdk/engine/custom.h
+++ b/dep/rehlsdk/engine/custom.h
@@ -18,6 +18,7 @@
 #include "const.h"
 
 #define MAX_QPATH 64    // Must match value in quakedefs.h
+#define MAX_RESOURCE_LIST	1280
 
 /////////////////
 // Customization
diff --git a/dep/rehlsdk/engine/eiface.h b/dep/rehlsdk/engine/eiface.h
index 60266ec..8081743 100644
--- a/dep/rehlsdk/engine/eiface.h
+++ b/dep/rehlsdk/engine/eiface.h
@@ -493,7 +493,7 @@ typedef struct
 
 	// Return 1 if the packet is valid.  Set response_buffer_size if you want to send a response packet.  Incoming, it holds the max
 	//  size of the response_buffer, so you must zero it out if you choose not to respond.
-	int				(*pfnConnectionlessPacket )	( const struct netadr_s *net_from, const char *args, char *response_buffer, int *response_buffer_size );
+	int				(*pfnConnectionlessPacket )	( const struct netadr_s *net_from_, const char *args, char *response_buffer, int *response_buffer_size );
 
 	// Enumerates player hulls.  Returns 0 if the hull number doesn't exist, 1 otherwise
 	int				(*pfnGetHullBounds)	( int hullnumber, float *mins, float *maxs );
diff --git a/dep/rehlsdk/engine/rehlds_api.h b/dep/rehlsdk/engine/rehlds_api.h
index f8ac00f..2857c5b 100644
--- a/dep/rehlsdk/engine/rehlds_api.h
+++ b/dep/rehlsdk/engine/rehlds_api.h
@@ -35,7 +35,7 @@
 #include "model.h"
 
 #define REHLDS_API_VERSION_MAJOR 2
-#define REHLDS_API_VERSION_MINOR 2
+#define REHLDS_API_VERSION_MINOR 3
 
 //Steam_NotifyClientConnect hook
 typedef IHookChain<qboolean, IGameClient*, const void*, unsigned int> IRehldsHook_Steam_NotifyClientConnect;
@@ -141,9 +141,21 @@ typedef IVoidHookChainRegistry<edict_t *, int, const char *, float, float, int,
 typedef IVoidHookChain<IGameClient *, char *, size_t, sizebuf_t *, IGameClient *> IRehldsHook_SV_WriteFullClientUpdate;
 typedef IVoidHookChainRegistry<IGameClient *, char *, size_t, sizebuf_t *, IGameClient *> IRehldsHookRegistry_SV_WriteFullClientUpdate;
 
-//SV_GenericFileConsistencyResponce hook
-typedef IVoidHookChain<IGameClient *, resource_t *, uint32> IRehldsHook_GenericFileConsistencyResponce;
-typedef IVoidHookChainRegistry<IGameClient *, resource_t *, uint32> IRehldsHookRegistry_GenericFileConsistencyResponce;
+//SV_CheckConsistencyResponse hook
+typedef IHookChain<bool, IGameClient *, resource_t *, uint32> IRehldsHook_SV_CheckConsistencyResponse;
+typedef IHookChainRegistry<bool, IGameClient *, resource_t *, uint32> IRehldsHookRegistry_SV_CheckConsistencyResponse;
+
+//SV_DropClient hook
+typedef IVoidHookChain<IGameClient*, bool, const char*> IRehldsHook_SV_DropClient;
+typedef IVoidHookChainRegistry<IGameClient*, bool, const char*> IRehldsHookRegistry_SV_DropClient;
+
+//SV_ActivateServer hook
+typedef IVoidHookChain<int> IRehldsHook_SV_ActivateServer;
+typedef IVoidHookChainRegistry<int> IRehldsHookRegistry_SV_ActivateServer;
+
+//SV_WriteVoiceCodec hook
+typedef IVoidHookChain<sizebuf_t *> IRehldsHook_SV_WriteVoiceCodec;
+typedef IVoidHookChainRegistry<sizebuf_t *> IRehldsHookRegistry_SV_WriteVoiceCodec;
 
 class IRehldsHookchains {
 public:
@@ -175,7 +187,10 @@ public:
 	virtual IRehldsHookRegistry_PF_Remove_I* PF_Remove_I() = 0;
 	virtual IRehldsHookRegistry_PF_BuildSoundMsg_I* PF_BuildSoundMsg_I() = 0;
 	virtual IRehldsHookRegistry_SV_WriteFullClientUpdate* SV_WriteFullClientUpdate() = 0;
-	virtual IRehldsHookRegistry_GenericFileConsistencyResponce* GenericFileConsistencyResponce() = 0;
+	virtual IRehldsHookRegistry_SV_CheckConsistencyResponse* SV_CheckConsistencyResponse() = 0;
+	virtual IRehldsHookRegistry_SV_DropClient* SV_DropClient() = 0;
+	virtual IRehldsHookRegistry_SV_ActivateServer* SV_ActivateServer() = 0;
+	virtual IRehldsHookRegistry_SV_WriteVoiceCodec* SV_WriteVoiceCodec() = 0;
 };
 
 struct RehldsFuncs_t {
@@ -211,6 +226,13 @@ struct RehldsFuncs_t {
 	void*(*SZ_GetSpace)(sizebuf_t *buf, int length);
 	cvar_t*(*GetCvarVars)();
 	int (*SV_GetChallenge)(const netadr_t& adr);
+	void (*SV_AddResource)(resourcetype_t type, const char *name, int size, unsigned char flags, int index);
+	int(*MSG_ReadShort)(void);
+	int(*MSG_ReadBuf)(int iSize, void *pbuf);
+	void(*MSG_WriteBuf)(sizebuf_t *sb, int iSize, void *buf);
+	void(*MSG_WriteByte)(sizebuf_t *sb, int c);
+	void(*MSG_WriteShort)(sizebuf_t *sb, int c);
+	void(*MSG_WriteString)(sizebuf_t *sb, const char *s);
 };
 
 class IRehldsApi {
diff --git a/dep/rehlsdk/engine/rehlds_interfaces.h b/dep/rehlsdk/engine/rehlds_interfaces.h
index ce46d55..ea74dc3 100644
--- a/dep/rehlsdk/engine/rehlds_interfaces.h
+++ b/dep/rehlsdk/engine/rehlds_interfaces.h
@@ -67,6 +67,9 @@ public:
 	virtual bool IsConnected() = 0;
 	virtual void SetConnected(bool connected) = 0;
 
+	virtual uint32 GetVoiceStreams(int id) = 0;
+	virtual double GetLastVoiceTime() = 0;
+	virtual bool GetLoopback() = 0;
 
 	// this must be the last virtual function in class
 #ifdef REHLDS_SELF
@@ -113,4 +116,10 @@ public:
 	virtual sizebuf_t* GetReliableDatagram() = 0;
 
 	virtual void SetModelName(const char* modelname) = 0;
+	virtual void SetConsistencyNum(int num) = 0;
+	virtual int GetConsistencyNum() = 0;
+	virtual int GetResourcesNum() = 0;
+	virtual int GetDecalNameNum() = 0;
+
+	virtual double GetTime() = 0;
 };
diff --git a/dep/rehlsdk/engine/sys_shared.cpp b/dep/rehlsdk/engine/sys_shared.cpp
index f39b79a..58981d6 100644
--- a/dep/rehlsdk/engine/sys_shared.cpp
+++ b/dep/rehlsdk/engine/sys_shared.cpp
@@ -42,14 +42,9 @@ cpuinfo_t cpuinfo;
 
 void Sys_CheckCpuInstructionsSupport(void)
 {
-	unsigned int cpuid_data[4];
+	int cpuid_data[4];
 
-	// eax = 1, ecx = 0
-#if defined(__GNUC__)
-	__get_cpuid(0x1, &cpuid_data[0], &cpuid_data[1], &cpuid_data[2], &cpuid_data[3]);
-#else //__GNUC__
-	__cpuidex((int*)cpuid_data, 1, 0);
-#endif //__GNUC__
+	cpuid_ex(cpuid_data, 1, 0);
 
 	cpuinfo.sse3 = (cpuid_data[2] & SSE3_FLAG) ? 1 : 0; // ecx
 	cpuinfo.ssse3 = (cpuid_data[2] & SSSE3_FLAG) ? 1 : 0;
@@ -57,12 +52,7 @@ void Sys_CheckCpuInstructionsSupport(void)
 	cpuinfo.sse4_2 = (cpuid_data[2] & SSE4_2_FLAG) ? 1 : 0;
 	cpuinfo.avx = (cpuid_data[2] & AVX_FLAG) ? 1 : 0;
 
-	// eax = 7, ecx = 0
-#if defined(__GNUC__)
-	__get_cpuid(0x7, &cpuid_data[0], &cpuid_data[1], &cpuid_data[2], &cpuid_data[3]);
-#else //__GNUC__
-	__cpuidex((int*)cpuid_data, 7, 0);
-#endif //__GNUC__
+	cpuid_ex(cpuid_data, 7, 0);
 
 	cpuinfo.avx2 = (cpuid_data[1] & AVX2_FLAG) ? 1 : 0; // ebx
 }
\ No newline at end of file