diff --git a/CHANGELOG.md b/CHANGELOG.md
index 123f11d3..3c73628b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - The following fields/variants have been changed from `Expression` to `Box<Expression>`: `Prefix::Expression`, `Var::Expression`, `IfExpression::condition`, `IfExpression::if_expression`, `IfExpression::else_expression`.
 - When using serde, `Expression` will no longer act untagged.
 - Fixed parsing of string interpolation double brace for Luau code
+- Bump `indexmap` to 2.0
 
 ## [0.18.1] - 2023-03-19
 ### Fixed
diff --git a/Cargo.toml b/Cargo.toml
index f642e964..3c889146 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,4 +3,6 @@
 members = [
 	"full-moon",
 	"full-moon-derive",
-]
\ No newline at end of file
+]
+
+resolver = "2"
\ No newline at end of file
diff --git a/full-moon-derive/Cargo.toml b/full-moon-derive/Cargo.toml
index ae6448d1..e780f608 100644
--- a/full-moon-derive/Cargo.toml
+++ b/full-moon-derive/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-indexmap = "1.9"
+indexmap = "2.0.2"
 proc-macro2 = "1.0"
 quote = "1.0"
 syn = { version = "1.0.107", features = ["extra-traits"] }
diff --git a/full-moon/Cargo.toml b/full-moon/Cargo.toml
index 54a29e63..cbe56296 100644
--- a/full-moon/Cargo.toml
+++ b/full-moon/Cargo.toml
@@ -35,7 +35,7 @@ smol_str = { version = "0.1.23", features = ["serde"] }
 stacker = { version = "0.1.15", optional = true }
 
 [dev-dependencies]
-criterion = "0.4"
+criterion = "0.5.1"
 insta = { version = "1.26.0", features = ["glob", "yaml"] }
 pretty_assertions = "1.3.0"