diff --git a/whiskers/Cargo.toml b/whiskers/Cargo.toml
index 11444061..94f315b7 100644
--- a/whiskers/Cargo.toml
+++ b/whiskers/Cargo.toml
@@ -39,7 +39,7 @@ clap = { version = "4.5.4", features = ["derive"] }
 clap-stdin = "0.4"
 css-colors = "1.0.1"
 encoding_rs_io = "0.1.7"
-indexmap = { version = "2.2", features = ["serde"] }
+indexmap = { version = "2.2.6", features = ["serde"] }
 itertools = "0.12"
 lzma-rust = "0.1.6"
 rmp-serde = "1.3.0"