diff --git a/devel/userspace-rcu/Makefile b/devel/userspace-rcu/Makefile
index 560745148a0e..0b72bd10a658 100644
--- a/devel/userspace-rcu/Makefile
+++ b/devel/userspace-rcu/Makefile
@@ -1,7 +1,7 @@
 # $NetBSD: Makefile,v 1.13 2020/04/29 19:44:49 maya Exp $
 #
 
-DISTNAME=	userspace-rcu-0.8.7
+DISTNAME=	userspace-rcu-0.12.1
 CATEGORIES=	devel
 MASTER_SITES=	http://lttng.org/files/urcu/
 EXTRACT_SUFX=	.tar.bz2
diff --git a/devel/userspace-rcu/buildlink3.mk b/devel/userspace-rcu/buildlink3.mk
index a09d12469fb4..007688623447 100644
--- a/devel/userspace-rcu/buildlink3.mk
+++ b/devel/userspace-rcu/buildlink3.mk
@@ -5,7 +5,7 @@ BUILDLINK_TREE+=	userspace-rcu
 .if !defined(USERSPACE_RCU_BUILDLINK3_MK)
 USERSPACE_RCU_BUILDLINK3_MK:=
 
-BUILDLINK_API_DEPENDS.userspace-rcu+=	userspace-rcu>=0.7.3
+BUILDLINK_API_DEPENDS.userspace-rcu+=	userspace-rcu>=0.12.1
 BUILDLINK_PKGSRCDIR.userspace-rcu?=	../../devel/userspace-rcu
 .endif	# USERSPACE_RCU_BUILDLINK3_MK
 
diff --git a/devel/userspace-rcu/distinfo b/devel/userspace-rcu/distinfo
index 547d79236449..a9c227ee40e4 100644
--- a/devel/userspace-rcu/distinfo
+++ b/devel/userspace-rcu/distinfo
@@ -1,7 +1,6 @@
 $NetBSD: distinfo,v 1.11 2015/11/03 03:29:38 agc Exp $
 
-SHA1 (userspace-rcu-0.8.7.tar.bz2) = 5306999b8a3296f3dea91246d92e0a993d732898
-RMD160 (userspace-rcu-0.8.7.tar.bz2) = 284d80e80787cb6c91696984813031a810a61bd8
-SHA512 (userspace-rcu-0.8.7.tar.bz2) = 5c75d400de3295cf493b43393e1d5742e41a6a5c5af003c3852a70caa248d4bf2930bba3917ddd02a7c1c702ffe0bce4a5105f8ab8ec3113936a231eb59e7ab1
-Size (userspace-rcu-0.8.7.tar.bz2) = 425072 bytes
-SHA1 (patch-urcu_uatomic_generic.h) = 6492e58d704805b29e9dce119c76ebdf615adddc
+SHA1 (userspace-rcu-0.12.1.tar.bz2) = 93ad363e3889e55fac7d35d406927e5925e40dd9
+RMD160 (userspace-rcu-0.12.1.tar.bz2) = c55faf01ed8cb2f222d8ec407b2bac91ef66ab7c
+SHA512 (userspace-rcu-0.12.1.tar.bz2) = c0c14eede77358904dfb10774390fd86b4fa9e0ab25d278c869728d40eb263bfa7e489b20ce7198169e71d74fe41bb5018fc1553a5e0654840c9765e088c83db
+Size (userspace-rcu-0.12.1.tar.bz2) = 527626 bytes
diff --git a/devel/userspace-rcu/patches/patch-urcu_uatomic_generic.h b/devel/userspace-rcu/patches/patch-urcu_uatomic_generic.h
deleted file mode 100644
index cb517a3c668b..000000000000
--- a/devel/userspace-rcu/patches/patch-urcu_uatomic_generic.h
+++ /dev/null
@@ -1,100 +0,0 @@
-$NetBSD: patch-urcu_uatomic_generic.h,v 1.1 2015/03/19 19:14:26 joerg Exp $
-
-Clang requires correctly sized pointer arguments for the builtins.
-
---- urcu/uatomic/generic.h.orig	2015-03-17 21:09:40.000000000 +0000
-+++ urcu/uatomic/generic.h
-@@ -65,17 +65,17 @@ unsigned long _uatomic_cmpxchg(void *add
- 	switch (len) {
- #ifdef UATOMIC_HAS_ATOMIC_BYTE
- 	case 1:
--		return __sync_val_compare_and_swap_1(addr, old, _new);
-+		return __sync_val_compare_and_swap_1((uint8_t *)addr, old, _new);
- #endif
- #ifdef UATOMIC_HAS_ATOMIC_SHORT
- 	case 2:
--		return __sync_val_compare_and_swap_2(addr, old, _new);
-+		return __sync_val_compare_and_swap_2((uint16_t *)addr, old, _new);
- #endif
- 	case 4:
--		return __sync_val_compare_and_swap_4(addr, old, _new);
-+		return __sync_val_compare_and_swap_4((uint32_t *)addr, old, _new);
- #if (CAA_BITS_PER_LONG == 64)
- 	case 8:
--		return __sync_val_compare_and_swap_8(addr, old, _new);
-+		return __sync_val_compare_and_swap_8((uint64_t *)addr, old, _new);
- #endif
- 	}
- 	_uatomic_link_error();
-@@ -100,20 +100,20 @@ void _uatomic_and(void *addr, unsigned l
- 	switch (len) {
- #ifdef UATOMIC_HAS_ATOMIC_BYTE
- 	case 1:
--		__sync_and_and_fetch_1(addr, val);
-+		__sync_and_and_fetch_1((uint8_t *)addr, val);
- 		return;
- #endif
- #ifdef UATOMIC_HAS_ATOMIC_SHORT
- 	case 2:
--		__sync_and_and_fetch_2(addr, val);
-+		__sync_and_and_fetch_2((uint16_t *)addr, val);
- 		return;
- #endif
- 	case 4:
--		__sync_and_and_fetch_4(addr, val);
-+		__sync_and_and_fetch_4((uint32_t *)addr, val);
- 		return;
- #if (CAA_BITS_PER_LONG == 64)
- 	case 8:
--		__sync_and_and_fetch_8(addr, val);
-+		__sync_and_and_fetch_8((uint64_t *)addr, val);
- 		return;
- #endif
- 	}
-@@ -139,20 +139,20 @@ void _uatomic_or(void *addr, unsigned lo
- 	switch (len) {
- #ifdef UATOMIC_HAS_ATOMIC_BYTE
- 	case 1:
--		__sync_or_and_fetch_1(addr, val);
-+		__sync_or_and_fetch_1((uint8_t *)addr, val);
- 		return;
- #endif
- #ifdef UATOMIC_HAS_ATOMIC_SHORT
- 	case 2:
--		__sync_or_and_fetch_2(addr, val);
-+		__sync_or_and_fetch_2((uint16_t *)addr, val);
- 		return;
- #endif
- 	case 4:
--		__sync_or_and_fetch_4(addr, val);
-+		__sync_or_and_fetch_4((uint32_t *)addr, val);
- 		return;
- #if (CAA_BITS_PER_LONG == 64)
- 	case 8:
--		__sync_or_and_fetch_8(addr, val);
-+		__sync_or_and_fetch_8((uint64_t *)addr, val);
- 		return;
- #endif
- 	}
-@@ -180,17 +180,17 @@ unsigned long _uatomic_add_return(void *
- 	switch (len) {
- #ifdef UATOMIC_HAS_ATOMIC_BYTE
- 	case 1:
--		return __sync_add_and_fetch_1(addr, val);
-+		return __sync_add_and_fetch_1((uint8_t *)addr, val);
- #endif
- #ifdef UATOMIC_HAS_ATOMIC_SHORT
- 	case 2:
--		return __sync_add_and_fetch_2(addr, val);
-+		return __sync_add_and_fetch_2((uint16_t *)addr, val);
- #endif
- 	case 4:
--		return __sync_add_and_fetch_4(addr, val);
-+		return __sync_add_and_fetch_4((uint32_t *)addr, val);
- #if (CAA_BITS_PER_LONG == 64)
- 	case 8:
--		return __sync_add_and_fetch_8(addr, val);
-+		return __sync_add_and_fetch_8((uint64_t *)addr, val);
- #endif
- 	}
- 	_uatomic_link_error();