diff --git a/rvfi/insns/insn_lwu.py b/rvfi/insns/insn_lwu.py
new file mode 100644
index 0000000..c86417e
--- /dev/null
+++ b/rvfi/insns/insn_lwu.py
@@ -0,0 +1,9 @@
+from .insn_rv64i_i_type_load import *
+
+"""
+LWU instruction
+"""
+
+class InsnLwu(InsnRV64IITypeLoad):
+    def __init__(self, params):
+        super().__init__(params, 4, 0b110, False)