diff --git a/CHANGELOG.md b/CHANGELOG.md
index b870f586468c..44c9752b1a9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix false-positive migrations in `addEventListener` and JavaScript variable names ([#18718](https://github.com/tailwindlabs/tailwindcss/pull/18718))
 - Fix Standalone CLI when run via symlink on Windows ([#18723](https://github.com/tailwindlabs/tailwindcss/pull/18723))
 - Read from `--border-color-*` theme keys in `divide-*` utilities for backwards compatibility ([#18704](https://github.com/tailwindlabs/tailwindcss/pull/18704/))
+- Prevent scanning `.hdr` and `.exr` files ([#18734](https://github.com/tailwindlabs/tailwindcss/pull/18734))
 
 ## [4.1.11] - 2025-06-26
 
diff --git a/crates/oxide/src/scanner/fixtures/binary-extensions.txt b/crates/oxide/src/scanner/fixtures/binary-extensions.txt
index 2b20e0f45f40..d26c1c222e93 100644
--- a/crates/oxide/src/scanner/fixtures/binary-extensions.txt
+++ b/crates/oxide/src/scanner/fixtures/binary-extensions.txt
@@ -66,6 +66,7 @@ eol
 eot
 epub
 exe
+exr
 f4v
 fbs
 fh
@@ -87,6 +88,7 @@ gzip
 h261
 h263
 h264
+hdr
 icns
 ico
 ief