diff --git a/package-lock.json b/package-lock.json
index 19634f9..65a4c6b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@actions/core": "^1.2.6",
         "@actions/github": "^4.0.0",
         "fp-ts": "^2.11.4",
-        "io-ts": "^2.2.16",
+        "io-ts": "^2.2.20",
         "io-ts-reporters": "^1.2.2",
         "js-yaml": "^4.1.0"
       },
@@ -4221,9 +4221,9 @@
       "dev": true
     },
     "node_modules/io-ts": {
-      "version": "2.2.16",
-      "resolved": "https://registry.npmjs.org/io-ts/-/io-ts-2.2.16.tgz",
-      "integrity": "sha512-y5TTSa6VP6le0hhmIyN0dqEXkrZeJLeC5KApJq6VLci3UEKF80lZ+KuoUs02RhBxNWlrqSNxzfI7otLX1Euv8Q==",
+      "version": "2.2.20",
+      "resolved": "https://registry.npmjs.org/io-ts/-/io-ts-2.2.20.tgz",
+      "integrity": "sha512-Rq2BsYmtwS5vVttie4rqrOCIfHCS9TgpRLFpKQCM1wZBBRY9nWVGmEvm2FnDbSE2un1UE39DvFpTR5UL47YDcA==",
       "peerDependencies": {
         "fp-ts": "^2.5.0"
       }
@@ -11973,9 +11973,9 @@
       "dev": true
     },
     "io-ts": {
-      "version": "2.2.16",
-      "resolved": "https://registry.npmjs.org/io-ts/-/io-ts-2.2.16.tgz",
-      "integrity": "sha512-y5TTSa6VP6le0hhmIyN0dqEXkrZeJLeC5KApJq6VLci3UEKF80lZ+KuoUs02RhBxNWlrqSNxzfI7otLX1Euv8Q==",
+      "version": "2.2.20",
+      "resolved": "https://registry.npmjs.org/io-ts/-/io-ts-2.2.20.tgz",
+      "integrity": "sha512-Rq2BsYmtwS5vVttie4rqrOCIfHCS9TgpRLFpKQCM1wZBBRY9nWVGmEvm2FnDbSE2un1UE39DvFpTR5UL47YDcA==",
       "requires": {}
     },
     "io-ts-reporters": {
diff --git a/package.json b/package.json
index 437b617..d5df69b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "@actions/core": "^1.2.6",
     "@actions/github": "^4.0.0",
     "fp-ts": "^2.11.4",
-    "io-ts": "^2.2.16",
+    "io-ts": "^2.2.20",
     "io-ts-reporters": "^1.2.2",
     "js-yaml": "^4.1.0"
   },