diff --git a/net/knot/Makefile b/net/knot/Makefile
index 0289b18024..190f985eb1 100644
--- a/net/knot/Makefile
+++ b/net/knot/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=knot
 PKG_VERSION:=3.5.4
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://secure.nic.cz/files/knot-dns/
diff --git a/net/knot/patches/03_rrl_drop_static_assert.patch b/net/knot/patches/03_rrl_drop_static_assert.patch
new file mode 100644
index 0000000000..7cc646e55f
--- /dev/null
+++ b/net/knot/patches/03_rrl_drop_static_assert.patch
@@ -0,0 +1,10 @@
+--- a/src/knot/modules/rrl/kru.inc.c
++++ b/src/knot/modules/rrl/kru.inc.c
+@@ -462,7 +462,6 @@ static inline bool kru_limited_update(st
+ 		load_at = (_Atomic uint16_t *)ctx->load;
+ 	}
+ 
+-	static_assert(ATOMIC_CHAR16_T_LOCK_FREE == 2, "insufficient atomics");
+ 	const uint16_t price = ctx->price16;
+ 	const uint32_t limit = ctx->limit16;  // 2^16 has to be representable
+ 	uint16_t load_orig = atomic_load_explicit(load_at, memory_order_relaxed);