diff --git a/Cargo.lock b/Cargo.lock
index a0122e94c9516..1c37b43f79237 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1563,9 +1563,13 @@ dependencies = [
 name = "oxc_mangler"
 version = "0.21.0"
 dependencies = [
+ "insta",
  "itertools 0.13.0",
+ "oxc_allocator",
  "oxc_ast",
+ "oxc_codegen",
  "oxc_index",
+ "oxc_parser",
  "oxc_semantic",
  "oxc_span",
 ]
diff --git a/crates/oxc_mangler/Cargo.toml b/crates/oxc_mangler/Cargo.toml
index 3a8d3819cc8c2..b808906b9a024 100644
--- a/crates/oxc_mangler/Cargo.toml
+++ b/crates/oxc_mangler/Cargo.toml
@@ -26,3 +26,12 @@ oxc_ast      = { workspace = true }
 oxc_semantic = { workspace = true }
 oxc_index    = { workspace = true }
 itertools    = { workspace = true }
+
+[dev-dependencies]
+# Using `path` instead of `workspace = true` Workaround for https://github.com/rust-lang/cargo/issues/4242
+# ref: https://github.com/rust-lang/futures-rs/pull/2305
+oxc_codegen   = { path = "../oxc_codegen" }
+oxc_parser    = { workspace = true }
+oxc_span      = { workspace = true }
+oxc_allocator = { workspace = true }
+insta         = { workspace = true }