diff --git a/create/new_project/demos/erc20_btc/package.json b/create/new_project/demos/erc20_btc/package.json
index b03ca0288..47fc34816 100644
--- a/create/new_project/demos/erc20_btc/package.json
+++ b/create/new_project/demos/erc20_btc/package.json
@@ -21,7 +21,7 @@
         "ts-node": "^9.0.0",
         "tslint": "^6.1.3",
         "tslint-config-prettier": "^1.18.0",
-        "typescript": "^4.0.5"
+        "typescript": "^4.2.3"
     },
     "dependencies": {
         "comit-sdk": "^0.16.1",
diff --git a/create/new_project/demos/erc20_btc/yarn.lock b/create/new_project/demos/erc20_btc/yarn.lock
index e011adc4b..95718183d 100644
--- a/create/new_project/demos/erc20_btc/yarn.lock
+++ b/create/new_project/demos/erc20_btc/yarn.lock
@@ -2214,10 +2214,10 @@ type-is@~1.6.17, type-is@~1.6.18:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
-typescript@^4.0.5:
-  version "4.0.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
-  integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
+typescript@^4.2.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.2.3.tgz#39062d8019912d43726298f09493d598048c1ce3"
+  integrity sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==
 
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"