diff --git a/package-lock.json b/package-lock.json
index c85f6b794..5a491ea13 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.2.tgz",
-      "integrity": "sha512-IbCx7oefq+Gi6FWbSs2Fnw8VkEI6Y4gvjrYprY3RV//ksq/KPMlClOerJ4jRosyal6zkUIc8R9fS/cpRMlGClg=="
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.3.tgz",
+      "integrity": "sha512-Wp4xnyokakM45Uuj4WLUxdsa8fJjKVl1fDTsPbTEcTcuu0Nb26IPQbOtjmnfaCPGcaoPOOqId8H9NapZ8gii4w=="
     },
     "@actions/exec": {
       "version": "1.0.3",
diff --git a/package.json b/package.json
index 8bf96acfb..5dd6f7f2f 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
   },
   "homepage": "https://github.com/peaceiris/actions-gh-pages#readme",
   "dependencies": {
-    "@actions/core": "^1.2.2",
+    "@actions/core": "^1.2.3",
     "@actions/exec": "^1.0.3",
     "@actions/github": "^2.1.1",
     "@actions/io": "^1.0.2"