diff --git a/src/config.rs b/src/config.rs
index bc7a7e6f6..2fcbc63fa 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -461,7 +461,7 @@ pub enum Locale {
 }
 
 impl Locale {
-    pub fn category(self) -> Option<typos_vars::Category> {
+    pub const fn category(self) -> Option<typos_vars::Category> {
         match self {
             Locale::En => None,
             Locale::EnUs => Some(typos_vars::Category::American),
@@ -471,7 +471,7 @@ impl Locale {
         }
     }
 
-    pub fn variants() -> [&'static str; 5] {
+    pub const fn variants() -> [&'static str; 5] {
         ["en", "en-us", "en-gb", "en-ca", "en-au"]
     }
 }
diff --git a/src/dict.rs b/src/dict.rs
index ab602d64b..a6413e47f 100644
--- a/src/dict.rs
+++ b/src/dict.rs
@@ -12,7 +12,7 @@ pub struct BuiltIn {
 }
 
 impl BuiltIn {
-    pub fn new(locale: crate::config::Locale) -> Self {
+    pub const fn new(locale: crate::config::Locale) -> Self {
         Self {
             locale: locale.category(),
         }