diff --git a/Cargo.toml b/Cargo.toml
index e20c31d..402456a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ckb-std"
-version = "0.7.3"
+version = "0.7.4"
 authors = ["Nervos network"]
 edition = "2018"
 license = "MIT"
diff --git a/dl-c-impl/ckb-c-stdlib b/dl-c-impl/ckb-c-stdlib
index 37eba31..a15837b 160000
--- a/dl-c-impl/ckb-c-stdlib
+++ b/dl-c-impl/ckb-c-stdlib
@@ -1 +1 @@
-Subproject commit 37eba3102100808ffc6fa2383bcf9e1e2651c8ea
+Subproject commit a15837b92c3d004b0fe28b69e6154874da5cf76c