diff --git a/yarn.lock b/yarn.lock
index 2d85ec015f5..300c43bc5bf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1014,14 +1014,14 @@
     ember-cli-babel "^7.4.0"
 
 "@ember/test-helpers@^2.2.5":
-  version "2.2.5"
-  resolved "https://registry.npmjs.org/@ember/test-helpers/-/test-helpers-2.2.5.tgz#9f915310b79fd6330e8e19857958e5f241c1d0de"
-  integrity sha512-E0GMlkmRb9r3lHa+88gtfZcve+IlAS3yoUsB5QSSTC8oRTGhqzirvsxYAylCj8n40gfoOHdqKEZxncYhVimZwg==
+  version "2.2.6"
+  resolved "https://registry.npmjs.org/@ember/test-helpers/-/test-helpers-2.2.6.tgz#48a5dd6f871dd531c81edfee8094991fd932dc12"
+  integrity sha512-nsrIeFeA2ZChLYp+qgOjpDKo0a294PVRJ3XZtid2alF4VjNTJPl+tyjQfnPje5kcQtADZlIGOqemNYC3HTo4Lg==
   dependencies:
     "@ember/test-waiters" "^2.4.3"
     broccoli-debug "^0.6.5"
     broccoli-funnel "^3.0.3"
-    ember-cli-babel "^7.26.2"
+    ember-cli-babel "^7.26.4"
     ember-cli-htmlbars "^5.7.1"
     ember-destroyable-polyfill "^2.0.3"
 
@@ -6806,7 +6806,7 @@ ember-cli-babel@^6.0.0-beta.4:
     ember-cli-version-checker "^2.1.2"
     semver "^5.5.0"
 
-ember-cli-babel@^7.0.0, ember-cli-babel@^7.1.0, ember-cli-babel@^7.1.2, ember-cli-babel@^7.13.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.19.0, ember-cli-babel@^7.21.0, ember-cli-babel@^7.22.1, ember-cli-babel@^7.23.0, ember-cli-babel@^7.23.1, ember-cli-babel@^7.26.2, ember-cli-babel@^7.26.6, ember-cli-babel@^7.4.0, ember-cli-babel@^7.7.3, ember-cli-babel@^7.8.0:
+ember-cli-babel@^7.0.0, ember-cli-babel@^7.1.0, ember-cli-babel@^7.1.2, ember-cli-babel@^7.13.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.19.0, ember-cli-babel@^7.21.0, ember-cli-babel@^7.22.1, ember-cli-babel@^7.23.0, ember-cli-babel@^7.23.1, ember-cli-babel@^7.26.2, ember-cli-babel@^7.26.4, ember-cli-babel@^7.26.6, ember-cli-babel@^7.4.0, ember-cli-babel@^7.7.3, ember-cli-babel@^7.8.0:
   version "7.26.6"
   resolved "https://registry.npmjs.org/ember-cli-babel/-/ember-cli-babel-7.26.6.tgz#322fbbd3baad9dd99e3276ff05bc6faef5e54b39"
   integrity sha512-040svtfj2RC35j/WMwdWJFusZaXmNoytLAMyBDGLMSlRvznudTxZjGlPV6UupmtTBApy58cEF8Fq4a+COWoEmQ==