diff --git a/Cargo.lock b/Cargo.lock
index 1d07dbd87..27958072c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1718,18 +1718,18 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.142"
+version = "1.0.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e590c437916fb6b221e1d00df6e3294f3fccd70ca7e92541c475d6ed6ef5fee2"
+checksum = "53e8e5d5b70924f74ff5c6d64d9a5acd91422117c60f48c4e07855238a254553"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.142"
+version = "1.0.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34b5b8d809babe02f538c2cfec6f2c1ed10804c0e5a6a041a049a4f5588ccc2e"
+checksum = "d3d8e8de557aee63c26b85b947f5e59b690d0454c753f3adeb5cd7835ab88391"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/taskchampion/sync-server/Cargo.toml b/taskchampion/sync-server/Cargo.toml
index 117bcb0ec..273850e96 100644
--- a/taskchampion/sync-server/Cargo.toml
+++ b/taskchampion/sync-server/Cargo.toml
@@ -13,7 +13,7 @@ actix-web = "^3.3.2"
 anyhow = "1.0"
 thiserror = "1.0"
 futures = "^0.3.8"
-serde = "^1.0.142"
+serde = "^1.0.143"
 serde_json = "^1.0"
 clap = "^3.2.10"
 log = "^0.4.17"
diff --git a/taskchampion/taskchampion/Cargo.toml b/taskchampion/taskchampion/Cargo.toml
index 4646aab5f..f31dc0f41 100644
--- a/taskchampion/taskchampion/Cargo.toml
+++ b/taskchampion/taskchampion/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2018"
 
 [dependencies]
 uuid = { version = "^1.1.2", features = ["serde", "v4"] }
-serde = { version = "^1.0.142", features = ["derive"] }
+serde = { version = "^1.0.143", features = ["derive"] }
 serde_json = "^1.0"
 chrono = { version = "^0.4.20", features = ["serde"] }
 anyhow = "1.0"