diff --git a/TypeScript/10ScopesAndTypes/tsconfig.json b/TypeScript/10ScopesAndTypes/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/10ScopesAndTypes/tsconfig.json
+++ b/TypeScript/10ScopesAndTypes/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/11BundleLoadingSample/tsconfig.json b/TypeScript/11BundleLoadingSample/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/11BundleLoadingSample/tsconfig.json
+++ b/TypeScript/11BundleLoadingSample/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/12ClassExtensionOverride/tsconfig.json b/TypeScript/12ClassExtensionOverride/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/12ClassExtensionOverride/tsconfig.json
+++ b/TypeScript/12ClassExtensionOverride/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/13AddTrader/tsconfig.json b/TypeScript/13AddTrader/tsconfig.json
index 0ff9e2a..057f145 100644
--- a/TypeScript/13AddTrader/tsconfig.json
+++ b/TypeScript/13AddTrader/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/14AfterDBLoadHook/tsconfig.json b/TypeScript/14AfterDBLoadHook/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/14AfterDBLoadHook/tsconfig.json
+++ b/TypeScript/14AfterDBLoadHook/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/15HttpListenerExample/tsconfig.json b/TypeScript/15HttpListenerExample/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/15HttpListenerExample/tsconfig.json
+++ b/TypeScript/15HttpListenerExample/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/16ImporterUtil/tsconfig.json b/TypeScript/16ImporterUtil/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/16ImporterUtil/tsconfig.json
+++ b/TypeScript/16ImporterUtil/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/17AsyncImporterWithDependency1/tsconfig.json b/TypeScript/17AsyncImporterWithDependency1/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/17AsyncImporterWithDependency1/tsconfig.json
+++ b/TypeScript/17AsyncImporterWithDependency1/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/17AsyncImporterWithDependency2/tsconfig.json b/TypeScript/17AsyncImporterWithDependency2/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/17AsyncImporterWithDependency2/tsconfig.json
+++ b/TypeScript/17AsyncImporterWithDependency2/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/18CustomItemService/tsconfig.json b/TypeScript/18CustomItemService/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/18CustomItemService/tsconfig.json
+++ b/TypeScript/18CustomItemService/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/1LogToConsole/tsconfig.json b/TypeScript/1LogToConsole/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/1LogToConsole/tsconfig.json
+++ b/TypeScript/1LogToConsole/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/2EditDatabase/tsconfig.json b/TypeScript/2EditDatabase/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/2EditDatabase/tsconfig.json
+++ b/TypeScript/2EditDatabase/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/3GetSptConfigFile/tsconfig.json b/TypeScript/3GetSptConfigFile/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/3GetSptConfigFile/tsconfig.json
+++ b/TypeScript/3GetSptConfigFile/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/4UseACustomConfigFile/tsconfig.json b/TypeScript/4UseACustomConfigFile/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/4UseACustomConfigFile/tsconfig.json
+++ b/TypeScript/4UseACustomConfigFile/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/5ReplaceMethod/tsconfig.json b/TypeScript/5ReplaceMethod/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/5ReplaceMethod/tsconfig.json
+++ b/TypeScript/5ReplaceMethod/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/6ReferenceAnotherClass/tsconfig.json b/TypeScript/6ReferenceAnotherClass/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/6ReferenceAnotherClass/tsconfig.json
+++ b/TypeScript/6ReferenceAnotherClass/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/7OnLoadHook/tsconfig.json b/TypeScript/7OnLoadHook/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/7OnLoadHook/tsconfig.json
+++ b/TypeScript/7OnLoadHook/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/8OnUpdateHook/tsconfig.json b/TypeScript/8OnUpdateHook/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/8OnUpdateHook/tsconfig.json
+++ b/TypeScript/8OnUpdateHook/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,
diff --git a/TypeScript/9RouterHooks/tsconfig.json b/TypeScript/9RouterHooks/tsconfig.json
index 8151310..ed64bc7 100644
--- a/TypeScript/9RouterHooks/tsconfig.json
+++ b/TypeScript/9RouterHooks/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "allowJs": true,
         "module": "CommonJS",
-        "target": "es2020",
+        "target": "es2021",
         "moduleResolution": "node",
         "esModuleInterop": true,
         "downlevelIteration": true,