diff --git a/package.json b/package.json
index 6b6fcb2e..10f9789e 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
 		"prettier": "^2.2.0",
 		"rimraf": "^3.0.2",
 		"ts-jest": "~27.0.1",
-		"typescript": "~4.4.0"
+		"typescript": "~4.9.0"
 	},
 	"dependenciesMeta": {
 		"@arkecosystem/core-api@": {
diff --git a/packages/notarization-api/package.json b/packages/notarization-api/package.json
index 745c8ec5..b67d95e6 100644
--- a/packages/notarization-api/package.json
+++ b/packages/notarization-api/package.json
@@ -82,7 +82,7 @@
 		"rimraf": "^3.0.2",
 		"ts-jest": "~27.0.1",
 		"typedoc": "~0.22.0",
-		"typescript": "~4.4.0"
+		"typescript": "~4.9.0"
 	},
 	"engines": {
 		"node": ">=10.x"
diff --git a/packages/notarization-crypto/package.json b/packages/notarization-crypto/package.json
index 33607d16..4a9216f5 100644
--- a/packages/notarization-crypto/package.json
+++ b/packages/notarization-crypto/package.json
@@ -59,7 +59,7 @@
         "rimraf": "^3.0.2",
         "ts-jest": "~27.0.1",
         "typedoc": "~0.22.0",
-        "typescript": "~4.4.0"
+        "typescript": "~4.9.0"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/notarization-transactions/package.json b/packages/notarization-transactions/package.json
index aaf0e610..2923e064 100644
--- a/packages/notarization-transactions/package.json
+++ b/packages/notarization-transactions/package.json
@@ -70,7 +70,7 @@
         "rimraf": "^3.0.2",
         "ts-jest": "~27.0.1",
         "typedoc": "~0.22.0",
-        "typescript": "~4.4.0"
+        "typescript": "~4.9.0"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/test-script/package.json b/packages/test-script/package.json
index c6dd1b96..de024926 100644
--- a/packages/test-script/package.json
+++ b/packages/test-script/package.json
@@ -20,7 +20,7 @@
 		"eslint-plugin-prettier": "^4.0.0",
 		"prettier": "^2.1.2",
 		"rimraf": "^3.0.2",
-		"typescript": "~4.4.0"
+		"typescript": "~4.9.0"
 	},
 	"dependencies": {
 		"@arkecosystem/crypto": "^3.0.0-next",