diff --git a/run-backstop-test/package.json b/run-backstop-test/package.json
index de2eeb1..3e15af1 100644
--- a/run-backstop-test/package.json
+++ b/run-backstop-test/package.json
@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "@actions/artifact": "^0.5.0",
-    "@actions/core": "1.1.0",
+    "@actions/core": "1.4.0",
     "@actions/exec": "1.0.4",
     "@actions/glob": "^0.1.1",
     "@actions/github": "4.0.0",
diff --git a/run-backstop-test/yarn.lock b/run-backstop-test/yarn.lock
index 892a214..cc33263 100644
--- a/run-backstop-test/yarn.lock
+++ b/run-backstop-test/yarn.lock
@@ -13,15 +13,10 @@
     tmp "^0.1.0"
     tmp-promise "^2.0.2"
 
-"@actions/core@1.1.0":
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.1.0.tgz#25c3aff43a20f9c5a04e2a3439898a49ba8d3625"
-  integrity sha512-KKpo3xzo0Zsikni9tbOsEQkxZBGDsYSJZNkTvmo0gPSXrc98TBOcdTvKwwjitjkjHkreTggWdB1ACiAFVgsuzA==
-
-"@actions/core@^1.2.6":
-  version "1.2.6"
-  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.6.tgz#a78d49f41a4def18e88ce47c2cac615d5694bf09"
-  integrity sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA==
+"@actions/core@1.4.0", "@actions/core@^1.2.6":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.4.0.tgz#cf2e6ee317e314b03886adfeb20e448d50d6e524"
+  integrity sha512-CGx2ilGq5i7zSLgiiGUtBCxhRRxibJYU6Fim0Q1Wg2aQL2LTnF27zbqZOrxfvFQ55eSBW0L8uVStgtKMpa0Qlg==
 
 "@actions/exec@1.0.4":
   version "1.0.4"