diff --git a/.gitmodules b/.gitmodules
index 617ef9d7..4eafacbf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -11,10 +11,10 @@
 	url = https://github.com/occlum/sefs.git
 [submodule "deps/serde-sgx"]
 	path = deps/serde-sgx
-	url = https://github.com/mesalock-linux/serde-sgx
+	url = https://github.com/occlum/serde-sgx
 [submodule "deps/itoa-sgx"]
 	path = deps/itoa-sgx
-	url = https://github.com/mesalock-linux/itoa-sgx
+	url = https://github.com/occlum/itoa-sgx
 [submodule "deps/serde-json-sgx"]
 	path = deps/serde-json-sgx
-	url = https://github.com/mesalock-linux/serde-json-sgx
+	url = https://github.com/occlum/serde-json-sgx
diff --git a/deps/itoa-sgx b/deps/itoa-sgx
index e35b4500..48cac59c 160000
--- a/deps/itoa-sgx
+++ b/deps/itoa-sgx
@@ -1 +1 @@
-Subproject commit e35b45000adf57e592ccd66273b607fcec998258
+Subproject commit 48cac59ceea81c9185d9d91a0d85eeecc0dd4e13
diff --git a/src/libos/Cargo.lock b/src/libos/Cargo.lock
index 6e15b1ad..0e1e553f 100644
--- a/src/libos/Cargo.lock
+++ b/src/libos/Cargo.lock
@@ -127,7 +127,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "itoa"
-version = "0.4.4"
+version = "0.4.5"
 dependencies = [
  "sgx_tstd 1.1.0",
 ]
@@ -353,7 +353,7 @@ dependencies = [
 name = "serde_json"
 version = "1.0.40"
 dependencies = [
- "itoa 0.4.4",
+ "itoa 0.4.5",
  "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104",
  "sgx_tstd 1.1.0",