diff --git a/package-lock.json b/package-lock.json
index 7de7f55..e22d0e7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2720,7 +2720,8 @@
     "graceful-fs": {
       "version": "4.2.4",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
-      "integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw=="
+      "integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
+      "dev": true
     },
     "growly": {
       "version": "1.3.0",
@@ -2916,7 +2917,8 @@
     "imurmurhash": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
-      "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o="
+      "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
+      "dev": true
     },
     "inflight": {
       "version": "1.0.6",
@@ -4141,26 +4143,6 @@
       "integrity": "sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs=",
       "dev": true
     },
-    "node-localstorage": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/node-localstorage/-/node-localstorage-1.3.1.tgz",
-      "integrity": "sha512-NMWCSWWc6JbHT5PyWlNT2i8r7PgGYXVntmKawY83k/M0UJScZ5jirb61TLnqKwd815DfBQu+lR3sRw08SPzIaQ==",
-      "requires": {
-        "write-file-atomic": "^1.1.4"
-      },
-      "dependencies": {
-        "write-file-atomic": {
-          "version": "1.3.4",
-          "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-1.3.4.tgz",
-          "integrity": "sha1-+Aek8LHZ6ROuekgRLmzDrxmRtF8=",
-          "requires": {
-            "graceful-fs": "^4.1.11",
-            "imurmurhash": "^0.1.4",
-            "slide": "^1.1.5"
-          }
-        }
-      }
-    },
     "node-modules-regexp": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz",
@@ -4317,13 +4299,11 @@
       }
     },
     "openpgp": {
-      "version": "4.10.10",
-      "resolved": "https://registry.npmjs.org/openpgp/-/openpgp-4.10.10.tgz",
-      "integrity": "sha512-Ub48OogGPjNsr0G/wnJ/SyAQzt/tfcXZTWVZdjKFpXCQV1Ca+upFdSPPkBlGG3lb9EQGOKZJ2tzYNH6ZyKMkDQ==",
+      "version": "5.0.0-4",
+      "resolved": "https://registry.npmjs.org/openpgp/-/openpgp-5.0.0-4.tgz",
+      "integrity": "sha512-PGfI4arJwXakJKfbb+weVBQ1OFxDfHiX5XmpCWeyTMjYRofU2UsynLxaJo9vs3xKv87eEPHFbVcIvrVCYnfEkQ==",
       "requires": {
-        "asn1.js": "^5.0.0",
-        "node-fetch": "^2.1.2",
-        "node-localstorage": "~1.3.0"
+        "asn1.js": "^5.0.0"
       }
     },
     "optionator": {
@@ -5018,11 +4998,6 @@
         "is-fullwidth-code-point": "^3.0.0"
       }
     },
-    "slide": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/slide/-/slide-1.1.6.tgz",
-      "integrity": "sha1-VusCfWW00tzmyy4tMsTUr8nh1wc="
-    },
     "snapdragon": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
diff --git a/package.json b/package.json
index 08dfa44..c6ffeb6 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "@actions/exec": "^1.1.0",
     "@actions/github": "^5.0.0",
     "node-fetch": "^2.6.1",
-    "openpgp": "^4.10.10"
+    "openpgp": "^5.0.0-4"
   },
   "devDependencies": {
     "@types/jest": "^26.0.24",