diff --git a/Cargo.lock b/Cargo.lock
index 9e36c90..61e4652 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1209,11 +1209,11 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.26"
+version = "1.0.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a152013215dca273577e18d2bf00fa862b89b24169fb78c4c95aeb07992c9cec"
+checksum = "1d0e1ae9e836cc3beddd63db0df682593d7e2d3d891ae8c9083d2113e1744224"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -1547,18 +1547,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.126"
+version = "1.0.156"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
+checksum = "314b5b092c0ade17c00142951e50ced110ec27cea304b1037c6969246c2469a4"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.126"
+version = "1.0.156"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
+checksum = "d7e29c4601e36bcec74a223228dce795f4cd3616341a4af93520ca1a837c087d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1699,13 +1699,13 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.72"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -1906,6 +1906,12 @@ dependencies = [
  "matches",
 ]
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
+
 [[package]]
 name = "unicode-normalization"
 version = "0.1.17"
@@ -1927,12 +1933,6 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
-[[package]]
-name = "unicode-xid"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-
 [[package]]
 name = "untrusted"
 version = "0.7.1"
diff --git a/aer_data/Cargo.toml b/aer_data/Cargo.toml
index 606c2a7..3953ff7 100644
--- a/aer_data/Cargo.toml
+++ b/aer_data/Cargo.toml
@@ -14,7 +14,7 @@ serialize = ["aer_license/serialize", "aer_version/serialize", "serde", "url/ser
 [dependencies]
 aer_license = { path = "../aer_license", default-features = false }
 aer_version = { path = "../aer_version", default-features = false }
-serde = { version = "1.0.126", optional = true }
+serde = { version = "1.0.156", optional = true }
 url = "2.2.2"
 whoami = "1.1.2"
 
diff --git a/aer_license/Cargo.toml b/aer_license/Cargo.toml
index bb5f3b5..5d5d598 100644
--- a/aer_license/Cargo.toml
+++ b/aer_license/Cargo.toml
@@ -10,7 +10,7 @@ serialize = ["serde", "url/serde"]
 
 [dependencies]
 license = "1.1.10"
-serde = { version = "1.0.126", optional = true }
+serde = { version = "1.0.156", optional = true }
 url = "2.2.2"
 
 [dev-dependencies]
diff --git a/aer_upd/Cargo.toml b/aer_upd/Cargo.toml
index 688bb55..3bc2403 100644
--- a/aer_upd/Cargo.toml
+++ b/aer_upd/Cargo.toml
@@ -14,7 +14,7 @@ aer_data = { path = "../aer_data" }
 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 = { version = "1.0.156", optional = true }
 serde_json = { version = "1.0.64", optional = true }
 toml = { version = "0.5.8", optional = true }
 
diff --git a/aer_version/Cargo.toml b/aer_version/Cargo.toml
index 2091504..07e2d4a 100644
--- a/aer_version/Cargo.toml
+++ b/aer_version/Cargo.toml
@@ -15,7 +15,7 @@ chocolatey = ["chrono", "num"]
 chrono = { version = "0.4.19", optional = true }
 num = { version = "0.4.0", optional = true }
 semver = "0.11.0"
-serde = { version = "1.0.126", optional = true, features = ["derive"] }
+serde = { version = "1.0.156", optional = true, features = ["derive"] }
 
 [dev-dependencies]
 rstest = "0.10.0"