diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 62a47c197b4f8da28729945730a4c42d8db1ba35..dff460658526ad57f2b0ce0717033df7a5857dbe 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -849,7 +849,20 @@ static Property riscv_cpu_properties[] = {
     DEFINE_PROP_BOOL("zba", RISCVCPU, cfg.ext_zba, true),
     DEFINE_PROP_BOOL("zbb", RISCVCPU, cfg.ext_zbb, true),
     DEFINE_PROP_BOOL("zbc", RISCVCPU, cfg.ext_zbc, true),
+    DEFINE_PROP_BOOL("zbkb", RISCVCPU, cfg.ext_zbkb, false),
+    DEFINE_PROP_BOOL("zbkc", RISCVCPU, cfg.ext_zbkc, false),
+    DEFINE_PROP_BOOL("zbkx", RISCVCPU, cfg.ext_zbkx, false),
     DEFINE_PROP_BOOL("zbs", RISCVCPU, cfg.ext_zbs, true),
+    DEFINE_PROP_BOOL("zk", RISCVCPU, cfg.ext_zk, false),
+    DEFINE_PROP_BOOL("zkn", RISCVCPU, cfg.ext_zkn, false),
+    DEFINE_PROP_BOOL("zknd", RISCVCPU, cfg.ext_zknd, false),
+    DEFINE_PROP_BOOL("zkne", RISCVCPU, cfg.ext_zkne, false),
+    DEFINE_PROP_BOOL("zknh", RISCVCPU, cfg.ext_zknh, false),
+    DEFINE_PROP_BOOL("zkr", RISCVCPU, cfg.ext_zkr, false),
+    DEFINE_PROP_BOOL("zks", RISCVCPU, cfg.ext_zks, false),
+    DEFINE_PROP_BOOL("zksed", RISCVCPU, cfg.ext_zksed, false),
+    DEFINE_PROP_BOOL("zksh", RISCVCPU, cfg.ext_zksh, false),
+    DEFINE_PROP_BOOL("zkt", RISCVCPU, cfg.ext_zkt, false),
 
     DEFINE_PROP_BOOL("zdinx", RISCVCPU, cfg.ext_zdinx, false),
     DEFINE_PROP_BOOL("zfinx", RISCVCPU, cfg.ext_zfinx, false),