diff --git a/package-lock.json b/package-lock.json
index 1607387..3a1a48e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,9 +4,21 @@
   "lockfileVersion": 1,
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.1.tgz",
-      "integrity": "sha512-xD+CQd9p4lU7ZfRqmUcbJpqR+Ss51rJRVeXMyOLrZQImN9/8Sy/BEUBnHO/UKD3z03R686PVTLfEPmkropGuLw=="
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.9.1.tgz",
+      "integrity": "sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==",
+      "requires": {
+        "@actions/http-client": "^2.0.1",
+        "uuid": "^8.3.2"
+      }
+    },
+    "@actions/http-client": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-2.0.1.tgz",
+      "integrity": "sha512-PIXiMVtz6VvyaRsGY268qvj57hXQEpsYogYOu2nrQhlf+XCGmZstmuZBbAybUl1nQGnvS1k1eEsQ69ZoD7xlSw==",
+      "requires": {
+        "tunnel": "^0.0.6"
+      }
     },
     "@slack/logger": {
       "version": "2.0.0",
@@ -167,6 +179,16 @@
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/retry/-/retry-0.12.0.tgz",
       "integrity": "sha1-G0KmJmoh8HQh0bC1S33BZ7AcATs="
+    },
+    "tunnel": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/tunnel/-/tunnel-0.0.6.tgz",
+      "integrity": "sha512-1h/Lnq9yajKY2PEbBadPXj3VxsDDu844OnaAo52UVmIzIvwwtBPIuNvkjuzBlTWpfJyUbG3ez0KSBibQkj4ojg=="
+    },
+    "uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
     }
   }
 }
diff --git a/package.json b/package.json
index 53ef038..783a4f1 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "build": "ncc build src/index.js"
   },
   "dependencies": {
-    "@actions/core": "^1.2.1",
+    "@actions/core": "^1.9.1",
     "@slack/web-api": "^5.10.0",
     "@zeit/ncc": "^0.21.0"
   }
diff --git a/yarn.lock b/yarn.lock
index 361f0f1..dda86e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,20 @@
 # yarn lockfile v1
 
 
-"@actions/core@^1.2.1":
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.4.tgz#96179dbf9f8d951dd74b40a0dbd5c22555d186ab"
-  integrity sha512-YJCEq8BE3CdN8+7HPZ/4DxJjk/OkZV2FFIf+DlZTC/4iBlzYCD5yjRR6eiOS5llO11zbRltIRuKAjMKaWTE6cg==
+"@actions/core@^1.9.1":
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.9.1.tgz#97c0201b1f9856df4f7c3a375cdcdb0c2a2f750b"
+  integrity sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==
+  dependencies:
+    "@actions/http-client" "^2.0.1"
+    uuid "^8.3.2"
+
+"@actions/http-client@^2.0.1":
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/@actions/http-client/-/http-client-2.0.1.tgz#873f4ca98fe32f6839462a6f046332677322f99c"
+  integrity sha512-PIXiMVtz6VvyaRsGY268qvj57hXQEpsYogYOu2nrQhlf+XCGmZstmuZBbAybUl1nQGnvS1k1eEsQ69ZoD7xlSw==
+  dependencies:
+    tunnel "^0.0.6"
 
 "@slack/logger@>=1.0.0 <3.0.0":
   version "2.0.0"
@@ -154,3 +164,13 @@ retry@^0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/retry/-/retry-0.12.0.tgz#1b42a6266a21f07421d1b0b54b7dc167b01c013b"
   integrity sha1-G0KmJmoh8HQh0bC1S33BZ7AcATs=
+
+tunnel@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/tunnel/-/tunnel-0.0.6.tgz#72f1314b34a5b192db012324df2cc587ca47f92c"
+  integrity sha512-1h/Lnq9yajKY2PEbBadPXj3VxsDDu844OnaAo52UVmIzIvwwtBPIuNvkjuzBlTWpfJyUbG3ez0KSBibQkj4ojg==
+
+uuid@^8.3.2:
+  version "8.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
+  integrity sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==