diff --git a/src/database/mod.rs b/src/database/mod.rs
index 2f54cc6f..24661ecd 100644
--- a/src/database/mod.rs
+++ b/src/database/mod.rs
@@ -22,6 +22,7 @@ pub use error::{ConditionEvaluationError, MetadataRetrievalError};
 
 /// Control behaviour when writing to files.
 #[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
+#[non_exhaustive]
 pub enum WriteMode {
     /// Create the file if it does not exist, otherwise error.
     Create,
diff --git a/src/lib.rs b/src/lib.rs
index 2f198912..69d0c1e5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,6 @@
 // Allow some lints that are denied at the workspace level.
 #![allow(
     clippy::doc_markdown,
-    clippy::exhaustive_enums,
     clippy::filetype_is_file,
     clippy::must_use_candidate,
     clippy::missing_errors_doc,
diff --git a/src/logging.rs b/src/logging.rs
index 4ee17885..63a2f4f5 100644
--- a/src/logging.rs
+++ b/src/logging.rs
@@ -39,6 +39,10 @@ pub fn set_log_level(level: LogLevel) {
 
 /// Codes used to specify different levels of API logging.
 #[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
+#[expect(
+    clippy::exhaustive_enums,
+    reason = "Adding a new log level should be a breaking change."
+)]
 pub enum LogLevel {
     Trace,
     Debug,
diff --git a/src/metadata/message.rs b/src/metadata/message.rs
index 8fb5db89..bbc1024c 100644
--- a/src/metadata/message.rs
+++ b/src/metadata/message.rs
@@ -15,6 +15,10 @@ use super::{
 
 /// Codes used to indicate the type of a message.
 #[derive(Clone, Copy, Debug, Default, Eq, PartialEq, Ord, PartialOrd, Hash)]
+#[expect(
+    clippy::exhaustive_enums,
+    reason = "Adding a new message is a breaking change."
+)]
 pub enum MessageType {
     /// A notification message that is of no significant severity.
     #[default]
diff --git a/src/metadata/tag.rs b/src/metadata/tag.rs
index 08edd9e5..0b8bb2e7 100644
--- a/src/metadata/tag.rs
+++ b/src/metadata/tag.rs
@@ -10,6 +10,7 @@ use super::{
 
 /// Represents whether a Bash Tag suggestion is for addition or removal.
 #[derive(Clone, Copy, Debug, Default, Eq, PartialEq, Ord, PartialOrd, Hash)]
+#[expect(clippy::exhaustive_enums, reason = "It's effectively a boolean")]
 pub enum TagSuggestion {
     #[default]
     Addition,