diff --git a/generators/app/templates/package.ts.json b/generators/app/templates/package.ts.json
index 8609bb7..50fb75e 100644
--- a/generators/app/templates/package.ts.json
+++ b/generators/app/templates/package.ts.json
@@ -1,7 +1,7 @@
 {
     "devDependencies": {
         "@types/node": "^7.0.22",
-        "typescript": "^2.3.3"
+        "typescript": "^4.5.4"
     },
     "scripts": {
         "pretest": "tsc",
diff --git a/generators/app/templates/test/test_binding.js b/generators/app/templates/test/test_binding.js
index 7438c89..35dc67a 100644
--- a/generators/app/templates/test/test_binding.js
+++ b/generators/app/templates/test/test_binding.js
@@ -9,6 +9,6 @@ function testBasic()
     assert.strictEqual(result, "world", "Unexpected value returned");
 }
 
-assert.doesNotThrow(testBasic, undefined, "testBasic threw an expection");
+assert.doesNotThrow(testBasic, undefined, "testBasic threw an exception");
 
 console.log("Tests passed- everything looks OK!");
\ No newline at end of file
diff --git a/generators/app/templates/test/test_binding_intermediate.js b/generators/app/templates/test/test_binding_intermediate.js
index 6b49df8..07d706b 100644
--- a/generators/app/templates/test/test_binding_intermediate.js
+++ b/generators/app/templates/test/test_binding_intermediate.js
@@ -15,7 +15,7 @@ function testInvalidParams()
     const instance = new <%= moduleClassName %>();
 }
 
-assert.doesNotThrow(testBasic, undefined, "testBasic threw an expection");
+assert.doesNotThrow(testBasic, undefined, "testBasic threw an exception");
 assert.throws(testInvalidParams, undefined, "testInvalidParams didn't throw");
 
 console.log("Tests passed- everything looks OK!");
\ No newline at end of file