diff --git a/Cargo.lock b/Cargo.lock
index ec018ad62..ee353103f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -883,7 +883,7 @@ dependencies = [
  "git2",
  "glob",
  "hex",
- "indexmap 1.9.3",
+ "indexmap 2.0.0",
  "insta",
  "itertools 0.11.0",
  "jujutsu-lib",
diff --git a/Cargo.toml b/Cargo.toml
index 623c7862e..19ee41da7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,7 +45,7 @@ esl01-renderdag = "0.3.0"
 git2 = "0.17.2"
 glob = "0.3.1"
 hex = "0.4.3"
-indexmap = "1.9.3"
+indexmap = "2.0.0"
 itertools = "0.11.0"
 jujutsu-lib = { version = "=0.7.0", path = "lib", default-features = false }
 maplit = "1.0.2"