diff --git a/package.json b/package.json
index 9de67e5f3..c4c9f67e9 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "dependencies": {
     "@angular/compiler": "12.2.15",
     "@babel/code-frame": "7.16.7",
-    "@babel/parser": "7.16.8",
+    "@babel/parser": "7.16.12",
     "@glimmer/syntax": "0.83.1",
     "@iarna/toml": "2.2.5",
     "@typescript-eslint/typescript-estree": "5.10.0",
diff --git a/tests/format/js/in/__snapshots__/jsfmt.spec.js.snap b/tests/format/js/in/__snapshots__/jsfmt.spec.js.snap
new file mode 100644
index 000000000..ca4e4ca0c
--- /dev/null
+++ b/tests/format/js/in/__snapshots__/jsfmt.spec.js.snap
@@ -0,0 +1,33 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`arrow-function.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "flow", "typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+const x = () => [].includes(true) || "ontouchend" in document
+
+const y = () => [] in x
+
+=====================================output=====================================
+const x = () => [].includes(true) || "ontouchend" in document;
+
+const y = () => [] in x;
+
+================================================================================
+`;
+
+exports[`arrow-function-invalid.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "flow", "typescript"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+() => [] in x
+
+=====================================output=====================================
+() => [] in x;
+
+================================================================================
+`;
diff --git a/tests/format/js/in/arrow-function-invalid.js b/tests/format/js/in/arrow-function-invalid.js
new file mode 100644
index 000000000..bb4eca799
--- /dev/null
+++ b/tests/format/js/in/arrow-function-invalid.js
@@ -0,0 +1 @@
+() => [] in x
diff --git a/tests/format/js/in/arrow-function.js b/tests/format/js/in/arrow-function.js
new file mode 100644
index 000000000..7ba44a835
--- /dev/null
+++ b/tests/format/js/in/arrow-function.js
@@ -0,0 +1,3 @@
+const x = () => [].includes(true) || "ontouchend" in document
+
+const y = () => [] in x
diff --git a/tests/format/js/in/jsfmt.spec.js b/tests/format/js/in/jsfmt.spec.js
new file mode 100644
index 000000000..270de08db
--- /dev/null
+++ b/tests/format/js/in/jsfmt.spec.js
@@ -0,0 +1,3 @@
+run_spec(__dirname, ["babel", "flow", "typescript"], {
+  errors: ["arrow-function-invalid.js"],
+});
diff --git a/yarn.lock b/yarn.lock
index 441289616..c97eb63fd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -301,12 +301,7 @@
     chalk "^2.0.0"
     js-tokens "^4.0.0"
 
-"@babel/parser@7.16.8":
-  version "7.16.8"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.16.8.tgz#61c243a3875f7d0b0962b0543a33ece6ff2f1f17"
-  integrity sha512-i7jDUfrVBWc+7OKcBzEe5n7fbv3i2fWtxKzzCvOjnzSxMfWMigAhtfJ7qzZNGFNMsCCd67+uz553dYKWXPvCKw==
-
-"@babel/parser@^7.1.0", "@babel/parser@^7.14.7", "@babel/parser@^7.16.10", "@babel/parser@^7.16.12", "@babel/parser@^7.16.7", "@babel/parser@^7.7.2":
+"@babel/parser@7.16.12", "@babel/parser@^7.1.0", "@babel/parser@^7.14.7", "@babel/parser@^7.16.10", "@babel/parser@^7.16.12", "@babel/parser@^7.16.7", "@babel/parser@^7.7.2":
   version "7.16.12"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.16.12.tgz#9474794f9a650cf5e2f892444227f98e28cdf8b6"
   integrity sha512-VfaV15po8RiZssrkPweyvbGVSe4x2y+aciFCgn0n0/SJMR22cwofRV1mtnJQYcSB1wUTaA/X1LnA3es66MCO5A==