diff --git a/Cargo.lock b/Cargo.lock
index 9e36c90..0d761fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -583,7 +583,7 @@ checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
 dependencies = [
  "bytes",
  "fnv",
- "itoa",
+ "itoa 0.4.7",
 ]
 
 [[package]]
@@ -644,7 +644,7 @@ dependencies = [
  "http-body",
  "httparse",
  "httpdate",
- "itoa",
+ "itoa 0.4.7",
  "pin-project",
  "socket2",
  "tokio",
@@ -714,6 +714,12 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "itoa"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
+
 [[package]]
 name = "js-sys"
 version = "0.3.50"
@@ -1567,11 +1573,11 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.64"
+version = "1.0.94"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
+checksum = "1c533a59c9d8a93a09c6ab31f0fd5e5f4dd1b8fc9434804029839884765d04ea"
 dependencies = [
- "itoa",
+ "itoa 1.0.6",
  "ryu",
  "serde",
 ]
@@ -1583,7 +1589,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edfa57a7f8d9c1d260a549e7224100f6c43d43f9103e06dd8b4095a9b2b43ce9"
 dependencies = [
  "form_urlencoded",
- "itoa",
+ "itoa 0.4.7",
  "ryu",
  "serde",
 ]
diff --git a/aer_upd/Cargo.toml b/aer_upd/Cargo.toml
index 688bb55..2ffbe2e 100644
--- a/aer_upd/Cargo.toml
+++ b/aer_upd/Cargo.toml
@@ -15,7 +15,7 @@ aer_web = { path = "../aer_web" }
 lazy_static = { version = "1.4.0", optional = true }
 log = "0.4.14"
 serde = { version = "1.0.126", optional = true }
-serde_json = { version = "1.0.64", optional = true }
+serde_json = { version = "1.0.94", optional = true }
 toml = { version = "0.5.8", optional = true }
 
 [dev-dependencies]