diff --git a/Cargo.lock b/Cargo.lock
index 4d2363db48e..7fa9f76f762 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3923,9 +3923,9 @@ checksum = "76a49eaebc8750bcba241df1e1e47ebb51b81eb35c65e8f11ffa0aebac353f7f"
 
 [[package]]
 name = "indexmap"
-version = "2.7.1"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c9c992b02b5b4c94ea26e32fe5bccb7aa7d9f390ab5c1221ff895bc7ea8b652"
+checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058"
 dependencies = [
  "equivalent",
  "hashbrown 0.15.2",
diff --git a/Cargo.toml b/Cargo.toml
index 403bc38e83d..0bf07431ab5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -81,7 +81,7 @@ icu_locid = "1.5.0"
 icu_segmenter = "1.5.0"
 image = "0.24"
 imsz = "0.2"
-indexmap = { version = "2.7.1", features = ["std"] }
+indexmap = { version = "2.8.0", features = ["std"] }
 ipc-channel = "0.19"
 itertools = "0.13"
 js = { package = "mozjs", git = "https://github.com/servo/mozjs" }