diff --git a/package.json b/package.json
index bd428a6..ba38ba0 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "eslint-plugin-sort-imports-es6-autofix": "^0.6.0",
     "prettier": "^3.3.3",
     "ts-node": "^10.9.1",
-    "typescript": "~5.5.4"
+    "typescript": "~5.8.3"
   },
   "bin": "./bin/parachain-launch",
   "packageManager": "yarn@3.6.0",
diff --git a/yarn.lock b/yarn.lock
index 836babf..31fa96c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -186,7 +186,7 @@ __metadata:
     readline-sync: ^1.4.10
     shelljs: ^0.8.5
     ts-node: ^10.9.1
-    typescript: ~5.5.4
+    typescript: ~5.8.3
     yaml: ^2.4.2
     yargs: ^17.7.2
   bin:
@@ -3505,23 +3505,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:~5.5.4":
-  version: 5.5.4
-  resolution: "typescript@npm:5.5.4"
+"typescript@npm:~5.8.3":
+  version: 5.8.3
+  resolution: "typescript@npm:5.8.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: b309040f3a1cd91c68a5a58af6b9fdd4e849b8c42d837b2c2e73f9a4f96a98c4f1ed398a9aab576ee0a4748f5690cf594e6b99dbe61de7839da748c41e6d6ca8
+  checksum: cb1d081c889a288b962d3c8ae18d337ad6ee88a8e81ae0103fa1fecbe923737f3ba1dbdb3e6d8b776c72bc73bfa6d8d850c0306eed1a51377d2fccdfd75d92c4
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@~5.5.4#~builtin<compat/typescript>":
-  version: 5.5.4
-  resolution: "typescript@patch:typescript@npm%3A5.5.4#~builtin<compat/typescript>::version=5.5.4&hash=5da071"
+"typescript@patch:typescript@~5.8.3#~builtin<compat/typescript>":
+  version: 5.8.3
+  resolution: "typescript@patch:typescript@npm%3A5.8.3#~builtin<compat/typescript>::version=5.8.3&hash=5da071"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: fc52962f31a5bcb716d4213bef516885e4f01f30cea797a831205fc9ef12b405a40561c40eae3127ab85ba1548e7df49df2bcdee6b84a94bfbe3a0d7eff16b14
+  checksum: 1b503525a88ff0ff5952e95870971c4fb2118c17364d60302c21935dedcd6c37e6a0a692f350892bafcef6f4a16d09073fe461158547978d2f16fbe4cb18581c
   languageName: node
   linkType: hard