diff --git a/Cargo.lock b/Cargo.lock
index 1b2b548..a779630 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -116,9 +116,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.9.11+spec-1.1.0"
+version = "1.0.2+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3afc9a848309fe1aaffaed6e1546a7a14de1f935dc9d89d32afd9a44bab7c46"
+checksum = "d1dfefef6a142e93f346b64c160934eb13b5594b84ab378133ac6815cb2bd57f"
 dependencies = [
  "indexmap",
  "serde_core",
@@ -151,18 +151,18 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.7.5+spec-1.1.0"
+version = "1.0.0+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92e1cfed4a3038bc5a127e35a2d360f145e1f4b971b551a2ba5fd7aedf7e1347"
+checksum = "32c2555c699578a4f59f0cc68e5116c8d7cabbd45e1409b989d4be085b53f13e"
 dependencies = [
  "serde_core",
 ]
 
 [[package]]
 name = "toml_parser"
-version = "1.0.6+spec-1.1.0"
+version = "1.0.9+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3198b4b0a8e11f09dd03e133c0280504d0801269e9afa46362ffde1cbeebf44"
+checksum = "702d4415e08923e7e1ef96cd5727c0dfed80b4d2fa25db9647fe5eb6f7c5a4c4"
 dependencies = [
  "winnow",
 ]
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 67758f9..d6ade8d 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -16,7 +16,7 @@ toml-example-derive = { version = "=0.16.4", path = "../derive" }
 [dev-dependencies]
 serde = { version = "1.0", features = ["derive"] }
 serde_derive = "1.0"
-toml = "0.9"
+toml = "1.0"
 
 [features]
 default = ["serde"]