diff --git a/Cargo.lock b/Cargo.lock
index 814151fe5..a3c0f7bc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -466,9 +466,9 @@ dependencies = [
 
 [[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",
diff --git a/Cargo.toml b/Cargo.toml
index 50df5a9cb..2674cfcdc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,5 +27,5 @@ chrono = "0.4"
 clap = {version = "4.5.32", features = ["cargo", "derive"]}
 include_dir = "0.7.4"
 highs = "1.8.0"
-indexmap = "2.7.1"
+indexmap = "2.8.0"
 human-panic = "2.0.2"