diff --git a/Cargo.lock b/Cargo.lock
index 6e0b90a..c858379 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -116,7 +116,7 @@ checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
 [[package]]
 name = "opml"
-version = "0.3.0"
+version = "1.0.0"
 dependencies = [
  "regex",
  "serde",
@@ -126,7 +126,7 @@ dependencies = [
 
 [[package]]
 name = "opml_cli"
-version = "0.3.0"
+version = "1.0.0"
 dependencies = [
  "assert_cmd",
  "clap",
diff --git a/opml_api/Cargo.toml b/opml_api/Cargo.toml
index 99bfe0c..a36f696 100644
--- a/opml_api/Cargo.toml
+++ b/opml_api/Cargo.toml
@@ -4,7 +4,7 @@
 name = "opml"
 description = "An OPML parser for Rust."
 authors = ["Holllo <helllo@holllo.cc>"]
-version = "0.3.0"
+version = "1.0.0"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/Holllo/opml"
 readme = "../README.md"
diff --git a/opml_api/source/lib.rs b/opml_api/source/lib.rs
index 8b188c6..163411d 100644
--- a/opml_api/source/lib.rs
+++ b/opml_api/source/lib.rs
@@ -66,7 +66,7 @@ use thiserror::Error;
 
 #[derive(Debug, Error)]
 pub enum Error {
-  #[error("OPML body has no <outlines> elements")]
+  #[error("OPML body has no <outline> elements")]
   BodyHasNoOutlines,
   #[error("Unsupported OPML version: {0:?}")]
   UnsupportedVersion(String),
diff --git a/opml_api/tests/construction.rs b/opml_api/tests/construction.rs
index 07e55c2..b1d2627 100644
--- a/opml_api/tests/construction.rs
+++ b/opml_api/tests/construction.rs
@@ -26,6 +26,7 @@ fn test_opml_construction_1() -> Result<(), Box<dyn Error>> {
 }
 
 #[test]
+#[allow(clippy::field_reassign_with_default)]
 fn test_opml_construction_2() -> Result<(), Box<dyn Error>> {
   let mut opml = OPML::default();
   opml.head = Some(Head {
diff --git a/opml_cli/Cargo.toml b/opml_cli/Cargo.toml
index 16e08c9..c094bf9 100644
--- a/opml_cli/Cargo.toml
+++ b/opml_cli/Cargo.toml
@@ -3,7 +3,7 @@
 [package]
 name = "opml_cli"
 description = "An OPML parser for the command-line."
-version = "0.3.0"
+version = "1.0.0"
 authors = ["Holllo <helllo@holllo.cc>"]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/Holllo/opml"
@@ -17,7 +17,7 @@ path = "source/main.rs"
 
 [dependencies]
 clap = "2.33"
-opml = { path = "../opml_api", version = "0.3" }
+opml = { path = "../opml_api", version = "1.0" }
 serde_json = "1.0"
 
 [dependencies.serde]