diff --git a/Cargo.lock b/Cargo.lock
index dc5ee98..89c6332 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2452,6 +2452,15 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check",
+]
+
 [[package]]
 name = "unicode-segmentation"
 version = "1.8.0"
@@ -2584,6 +2593,7 @@ dependencies = [
  "tokio",
  "tracing",
  "tracing-subscriber",
+ "unicase",
 ]
 
 [[package]]
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 6978633..bb2d4a4 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -29,6 +29,7 @@ once_cell = "1.8.0"
 regex = "1.5.4"
 thiserror = "1.0.26"
 tracing = "0.1.26"
+unicase = "2.6.0"
 
 [dependencies.command-group]
 version = "1.0.5"
diff --git a/lib/src/filter/tagged.rs b/lib/src/filter/tagged.rs
index 2412d62..85909c8 100644
--- a/lib/src/filter/tagged.rs
+++ b/lib/src/filter/tagged.rs
@@ -5,6 +5,7 @@ use std::sync::Arc;
 use globset::GlobMatcher;
 use regex::Regex;
 use tracing::{debug, trace, warn};
+use unicase::UniCase;
 
 use crate::error::RuntimeError;
 use crate::event::{Event, Tag};
@@ -180,8 +181,8 @@ impl Filter {
 
 		trace!(op=?self.op, pat=?self.pat, ?subject, "performing filter match");
 		Ok(match (self.op, &self.pat) {
-			(Op::Equal, Pattern::Exact(pat)) => subject == pat,
-			(Op::NotEqual, Pattern::Exact(pat)) => subject != pat,
+			(Op::Equal, Pattern::Exact(pat)) => UniCase::new(subject) == UniCase::new(pat),
+			(Op::NotEqual, Pattern::Exact(pat)) => UniCase::new(subject) != UniCase::new(pat),
 			(Op::Regex, Pattern::Regex(pat)) => pat.is_match(subject),
 			(Op::NotRegex, Pattern::Regex(pat)) => !pat.is_match(subject),
 			(Op::Glob, Pattern::Glob(pat)) => pat.is_match(subject),