diff --git a/yarte_codegen/Cargo.toml b/yarte_codegen/Cargo.toml
index 6a421b18..ee6a29d4 100644
--- a/yarte_codegen/Cargo.toml
+++ b/yarte_codegen/Cargo.toml
@@ -29,7 +29,7 @@ syn = { version = "1.0", features = ["full", "extra-traits"] }
 
 heck = { version = "0.4", optional = true }
 mime_guess = { version = "2.0", optional = true }
-indexmap = { version = "1.9", optional = true }
+indexmap = { version = "2.0", optional = true }
 
 [dev-dependencies]
 # Remove in favor of serialize dom