diff --git a/Cargo.lock b/Cargo.lock
index 80ef4e38..8228a2a9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1601,18 +1601,18 @@ dependencies = [
 
 [[package]]
 name = "nanoserde"
-version = "0.1.37"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5de9cf844ab1e25a0353525bd74cb889843a6215fa4a0d156fd446f4857a1b99"
+checksum = "a36fb3a748a4c9736ed7aeb5f2dfc99665247f1ce306abbddb2bf0ba2ac530a4"
 dependencies = [
  "nanoserde-derive",
 ]
 
 [[package]]
 name = "nanoserde-derive"
-version = "0.1.22"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e943b2c21337b7e3ec6678500687cdc741b7639ad457f234693352075c082204"
+checksum = "a846cbc04412cf509efcd8f3694b114fc700a035fb5a37f21517f9fb019f1ebc"
 
 [[package]]
 name = "nix"
diff --git a/tests/fixtures/exit_code/Cargo.toml b/tests/fixtures/exit_code/Cargo.toml
index 6b18558f..4fafef58 100644
--- a/tests/fixtures/exit_code/Cargo.toml
+++ b/tests/fixtures/exit_code/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-nanoserde = "0.1.37"
+nanoserde = "0.2.1"
diff --git a/tests/fixtures/noop/Cargo.toml b/tests/fixtures/noop/Cargo.toml
index ef49339e..814adb17 100644
--- a/tests/fixtures/noop/Cargo.toml
+++ b/tests/fixtures/noop/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-nanoserde = "0.1.37"
+nanoserde = "0.2.1"