diff --git a/package/kernel/rtl8821cu/Makefile b/package/kernel/rtl8821cu/Makefile
index f1e7d14d5..d74f8564b 100644
--- a/package/kernel/rtl8821cu/Makefile
+++ b/package/kernel/rtl8821cu/Makefile
@@ -13,9 +13,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_URL:=https://github.com/brektrou/rtl8821CU.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2021-11-14
-PKG_SOURCE_VERSION:=ef3ff12118a75ea9ca1db8f4806bb0861e4fffef
-PKG_MIRROR_HASH:=2b43a454960dd9f69eb0b3648a73438148e38036bb9cd5e3c57ae5697110c18e
+PKG_SOURCE_DATE:=2022-04-09
+PKG_SOURCE_VERSION:=8c2226a74ae718439d56248bd2e44ccf717086d5
+PKG_MIRROR_HASH:=3353a3bc4c73652eceaab95809aab27c3ae8bbf7e915b73488361a061ba91b84
 
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=LICENSE
diff --git a/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch b/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch
index 2453c61ff..8ed4115a2 100644
--- a/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch
+++ b/package/kernel/rtl8821cu/patches/040-wireless-5.8.patch
@@ -33,7 +33,7 @@ diff --git a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
 index 257c581..f97fa24 100755
 --- a/os_dep/linux/os_intfs.c
 +++ b/os_dep/linux/os_intfs.c
-@@ -1302,6 +1302,14 @@ unsigned int rtw_classify8021d(struct sk_buff *skb)
+@@ -1306,6 +1306,14 @@ unsigned int rtw_classify8021d(struct sk_buff *skb)
  }
  
  
@@ -48,7 +48,7 @@ index 257c581..f97fa24 100755
  static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb
  #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
  	, void *accel_priv
-@@ -1310,6 +1318,7 @@ static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb
+@@ -1314,6 +1322,7 @@ static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb
  	#endif
  #endif
  )
diff --git a/package/kernel/rtl8821cu/patches/050-Buildfix-for-Linux-5.18.patch b/package/kernel/rtl8821cu/patches/050-Buildfix-for-Linux-5.18.patch
new file mode 100644
index 000000000..98f8b422b
--- /dev/null
+++ b/package/kernel/rtl8821cu/patches/050-Buildfix-for-Linux-5.18.patch
@@ -0,0 +1,44 @@
+From af27791efdde55cdec3b4400c9d1a806c0040e38 Mon Sep 17 00:00:00 2001
+From: Butterfly <gokhanlnx@gmail.com>
+Date: Tue, 12 Apr 2022 00:31:54 +0300
+Subject: [PATCH] Buildfix for Linux 5.18
+
+Buildfix for Linux 5.18
+Link: https://github.com/brektrou/rtl8821CU/pull/168
+---
+ include/ieee80211.h | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+--- a/include/ieee80211.h
++++ b/include/ieee80211.h
+@@ -1529,18 +1529,30 @@ enum ieee80211_state {
+ 	(((Addr[2]) & 0xff) == 0xff) && (((Addr[3]) & 0xff) == 0xff) && (((Addr[4]) & 0xff) == 0xff) && \
+ 				     (((Addr[5]) & 0xff) == 0xff))
+ #else
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0))
++static inline int is_multicast_mac_addr(const u8 *addr)
++#else
+ extern __inline int is_multicast_mac_addr(const u8 *addr)
++#endif
+ {
+ 	return (addr[0] != 0xff) && (0x01 & addr[0]);
+ }
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0))
++static inline int is_broadcast_mac_addr(const u8 *addr)
++#else
+ extern __inline int is_broadcast_mac_addr(const u8 *addr)
++#endif
+ {
+ 	return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
+ 		(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
+ }
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0))
++static inline int is_zero_mac_addr(const u8 *addr)
++#else
+ extern __inline int is_zero_mac_addr(const u8 *addr)
++#endif
+ {
+ 	return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) &&   \
+ 		(addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));