diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4534998..3feaf31 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
         rust:
           - stable
           - nightly
-          - 1.58.1 # MSRV
+          - 1.67.1 # MSRV
 
     steps:
       - uses: actions/checkout@v2
diff --git a/Cargo.toml b/Cargo.toml
index 9ebccd0..007651d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,8 +5,8 @@ keywords = ["git", "log", "changelog", "parser", "parse"]
 license = "MIT"
 name = "clog"
 edition = "2021"
-version = "0.10.0"
-rust-version = "1.58.1" # MSRV
+version = "0.11.0"
+rust-version = "1.67.1" # MSRV
 authors = ["Christoph Burgdorf <christoph.burgdorf@bvsn.org>"]
 description = "A conventional changelog for the rest of us"
 exclude = ["docs/*"]
diff --git a/src/fmt.rs b/src/fmt.rs
index 14f8a16..f42b4de 100644
--- a/src/fmt.rs
+++ b/src/fmt.rs
@@ -8,17 +8,14 @@ use strum::{Display, EnumString};
 pub use self::{json_writer::JsonWriter, md_writer::MarkdownWriter};
 use crate::{clog::Clog, error::Result, sectionmap::SectionMap};
 
-#[derive(Copy, Clone, PartialEq, Eq, Debug, EnumString, Display)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug, Default, EnumString, Display)]
 #[strum(ascii_case_insensitive)]
 pub enum ChangelogFormat {
     Json,
+    #[default]
     Markdown,
 }
 
-impl Default for ChangelogFormat {
-    fn default() -> Self { ChangelogFormat::Markdown }
-}
-
 impl<'de> serde::de::Deserialize<'de> for ChangelogFormat {
     fn deserialize<D>(deserializer: D) -> StdResult<Self, D::Error>
     where
diff --git a/src/link_style.rs b/src/link_style.rs
index c7e3f15..13b05ab 100644
--- a/src/link_style.rs
+++ b/src/link_style.rs
@@ -12,19 +12,16 @@ use strum::{Display, EnumString};
 /// let clog = Clog::new().unwrap();
 /// clog.link_style(LinkStyle::Stash);
 /// ```
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Display, EnumString)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Default, Display, EnumString)]
 #[strum(ascii_case_insensitive)]
 pub enum LinkStyle {
+    #[default]
     Github,
     Gitlab,
     Stash,
     Cgit,
 }
 
-impl Default for LinkStyle {
-    fn default() -> Self { LinkStyle::Github }
-}
-
 impl<'de> serde::de::Deserialize<'de> for LinkStyle {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
     where
diff --git a/src/sectionmap.rs b/src/sectionmap.rs
index 7380439..a12e050 100644
--- a/src/sectionmap.rs
+++ b/src/sectionmap.rs
@@ -46,15 +46,12 @@ impl SectionMap {
                 let comp_map = sm
                     .sections
                     .entry("Breaking Changes".to_owned())
-                    .or_insert(BTreeMap::new());
-                let sec_map = comp_map.entry(entry.component.clone()).or_insert(vec![]);
+                    .or_default();
+                let sec_map = comp_map.entry(entry.component.clone()).or_default();
                 sec_map.push(entry.clone());
             }
-            let comp_map = sm
-                .sections
-                .entry(entry.commit_type.clone())
-                .or_insert(BTreeMap::new());
-            let sec_map = comp_map.entry(entry.component.clone()).or_insert(vec![]);
+            let comp_map = sm.sections.entry(entry.commit_type.clone()).or_default();
+            let sec_map = comp_map.entry(entry.component.clone()).or_default();
             sec_map.push(entry);
         }