diff --git a/package-lock.json b/package-lock.json
index 5d1399f..e3426e1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
-        "@actions/core": "^1.5.0",
+        "@actions/core": "^1.6.0",
         "@actions/exec": "^1.1.0",
         "@actions/github": "^5.0.0",
         "@actions/glob": "^0.2.0",
@@ -45,9 +45,12 @@
       }
     },
     "node_modules/@actions/core": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.5.0.tgz",
-      "integrity": "sha512-eDOLH1Nq9zh+PJlYLqEMkS/jLQxhksPNmUGNBHfa4G+tQmnIhzpctxmchETtVGyBOvXgOVVpYuE40+eS4cUnwQ=="
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.6.0.tgz",
+      "integrity": "sha512-NB1UAZomZlCV/LmJqkLhNTqtKfFXJZAUPcfl/zqG7EfsQdeUJtaWO98SGbuQ3pydJ3fHl2CvI/51OKYlCYYcaw==",
+      "dependencies": {
+        "@actions/http-client": "^1.0.11"
+      }
     },
     "node_modules/@actions/exec": {
       "version": "1.1.0",
@@ -10525,9 +10528,12 @@
   },
   "dependencies": {
     "@actions/core": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.5.0.tgz",
-      "integrity": "sha512-eDOLH1Nq9zh+PJlYLqEMkS/jLQxhksPNmUGNBHfa4G+tQmnIhzpctxmchETtVGyBOvXgOVVpYuE40+eS4cUnwQ=="
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.6.0.tgz",
+      "integrity": "sha512-NB1UAZomZlCV/LmJqkLhNTqtKfFXJZAUPcfl/zqG7EfsQdeUJtaWO98SGbuQ3pydJ3fHl2CvI/51OKYlCYYcaw==",
+      "requires": {
+        "@actions/http-client": "^1.0.11"
+      }
     },
     "@actions/exec": {
       "version": "1.1.0",
diff --git a/package.json b/package.json
index 29bac89..e148f72 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   },
   "homepage": "https://github.com/peaceiris/actions-gh-pages#readme",
   "dependencies": {
-    "@actions/core": "^1.5.0",
+    "@actions/core": "^1.6.0",
     "@actions/exec": "^1.1.0",
     "@actions/github": "^5.0.0",
     "@actions/glob": "^0.2.0",