diff --git a/package.json b/package.json
index 775e938c..7ac4b62b 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "broccoli-lint-eslint": "^5.0.0",
     "ember-cli-version-checker": "^3.1.3",
     "rsvp": "^4.8.5",
-    "walk-sync": "^1.1.3"
+    "walk-sync": "^2.1.0"
   },
   "devDependencies": {
     "broccoli-asset-rev": "^3.0.0",
diff --git a/yarn.lock b/yarn.lock
index a8f06fdd..a492ac02 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6328,6 +6328,14 @@ matcher-collection@^1.0.0, matcher-collection@^1.0.5, matcher-collection@^1.1.1:
   dependencies:
     minimatch "^3.0.2"
 
+matcher-collection@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/matcher-collection/-/matcher-collection-2.0.1.tgz#90be1a4cf58d6f2949864f65bb3b0f3e41303b29"
+  integrity sha512-daE62nS2ZQsDg9raM0IlZzLmI2u+7ZapXBwdoeBUKAYERPDDIc0qNqA8E0Rp2D+gspKR7BgIFP52GeujaGXWeQ==
+  dependencies:
+    "@types/minimatch" "^3.0.3"
+    minimatch "^3.0.2"
+
 md5-hex@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/md5-hex/-/md5-hex-2.0.0.tgz#d0588e9f1c74954492ecd24ac0ac6ce997d92e33"
@@ -8845,6 +8853,15 @@ walk-sync@^1.0.0, walk-sync@^1.1.3:
     ensure-posix-path "^1.1.0"
     matcher-collection "^1.1.1"
 
+walk-sync@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/walk-sync/-/walk-sync-2.1.0.tgz#e214248e5f5cf497ddd87db5a2a02e47e29c6501"
+  integrity sha512-KpH9Xw64LNSx7/UI+3guRZvJWlDxVA4+KKb/4puRoVrG8GkvZRxnF3vhxdjgpoKJGL2TVg1OrtkXIE/VuGPLHQ==
+  dependencies:
+    "@types/minimatch" "^3.0.3"
+    ensure-posix-path "^1.1.0"
+    matcher-collection "^2.0.0"
+
 walker@~1.0.5:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.7.tgz#2f7f9b8fd10d677262b18a884e28d19618e028fb"