diff --git a/Cargo.lock b/Cargo.lock
index 27e54099d0..d07cd66610 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -259,7 +259,7 @@ dependencies = [
  "hash_hasher",
  "hashbrown 0.14.5",
  "hex",
- "indexmap 1.9.3",
+ "indexmap 2.5.0",
  "itertools 0.10.5",
  "json-deserializer",
  "lexical-core",
diff --git a/Cargo.toml b/Cargo.toml
index 39d1d17ccb..88af023d91 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -153,7 +153,7 @@ derivative = "2.2.0"
 dyn-clone = "1"
 futures = "0.3.30"
 html-escape = "0.2.13"
-indexmap = "2.1.0"
+indexmap = "2.5.0"
 itertools = "0.11"
 jaq-core = "1.2.0"
 jaq-interpret = "1.2.0"
diff --git a/src/arrow2/Cargo.toml b/src/arrow2/Cargo.toml
index 0664947831..ca0513aacd 100644
--- a/src/arrow2/Cargo.toml
+++ b/src/arrow2/Cargo.toml
@@ -40,7 +40,7 @@ hash_hasher = "^2.0.3"
 # A Rust port of SwissTable
 hashbrown = {version = "0.14", default-features = false, features = ["ahash"]}
 hex = {version = "^0.4", optional = true}
-indexmap = {version = "^1.6", optional = true}
+indexmap = {version = "^2.5", optional = true}
 itertools = {version = "^0.10", optional = true}
 json-deserializer = {version = "0.4.4", optional = true, features = [
   "preserve_order"