diff --git a/package-lock.json b/package-lock.json
index ce052710..95b067df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2888,7 +2888,7 @@
     },
     "packages/esm": {
       "name": "@ts-tools/esm",
-      "version": "3.0.1",
+      "version": "4.0.0",
       "license": "MIT",
       "engines": {
         "node": ">=14"
@@ -2899,15 +2899,15 @@
     },
     "packages/fixtures": {
       "name": "@ts-tools/fixtures",
-      "version": "3.0.1",
+      "version": "4.0.0",
       "license": "MIT"
     },
     "packages/node": {
       "name": "@ts-tools/node",
-      "version": "3.0.1",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
-        "@ts-tools/transpile": "^3.0.1",
+        "@ts-tools/transpile": "^4.0.0",
         "source-map-support": "^0.5.21"
       },
       "engines": {
@@ -2919,7 +2919,7 @@
     },
     "packages/robotrix": {
       "name": "@ts-tools/robotrix",
-      "version": "3.0.1",
+      "version": "4.0.0",
       "license": "MIT",
       "engines": {
         "node": ">=14"
@@ -2930,7 +2930,7 @@
     },
     "packages/transpile": {
       "name": "@ts-tools/transpile",
-      "version": "3.0.1",
+      "version": "4.0.0",
       "license": "MIT",
       "engines": {
         "node": ">=14"
@@ -2941,10 +2941,10 @@
     },
     "packages/webpack-loader": {
       "name": "@ts-tools/webpack-loader",
-      "version": "3.0.2",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
-        "@ts-tools/transpile": "^3.0.1"
+        "@ts-tools/transpile": "^4.0.0"
       },
       "engines": {
         "node": ">=14"
@@ -3026,7 +3026,7 @@
     "@ts-tools/node": {
       "version": "file:packages/node",
       "requires": {
-        "@ts-tools/transpile": "^3.0.1",
+        "@ts-tools/transpile": "^4.0.0",
         "source-map-support": "^0.5.21"
       }
     },
@@ -3041,7 +3041,7 @@
     "@ts-tools/webpack-loader": {
       "version": "file:packages/webpack-loader",
       "requires": {
-        "@ts-tools/transpile": "^3.0.1"
+        "@ts-tools/transpile": "^4.0.0"
       }
     },
     "@types/chai": {
diff --git a/packages/esm/package.json b/packages/esm/package.json
index 13726a3b..53be43f0 100644
--- a/packages/esm/package.json
+++ b/packages/esm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ts-tools/esm",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "description": "TypeScript support for Node.js.",
   "type": "module",
   "types": "./dist/default-loader.d.ts",
diff --git a/packages/fixtures/package.json b/packages/fixtures/package.json
index 0831c180..9c472e3d 100644
--- a/packages/fixtures/package.json
+++ b/packages/fixtures/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ts-tools/fixtures",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "description": "Fixtures of the various supported use cases.",
   "license": "MIT",
   "private": true
diff --git a/packages/node/package.json b/packages/node/package.json
index 0a1c7c31..9809614b 100644
--- a/packages/node/package.json
+++ b/packages/node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ts-tools/node",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "description": "TypeScript support for Node.js.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -8,7 +8,7 @@
     "typescript": ">=2.8.0"
   },
   "dependencies": {
-    "@ts-tools/transpile": "^3.0.1",
+    "@ts-tools/transpile": "^4.0.0",
     "source-map-support": "^0.5.21"
   },
   "files": [
diff --git a/packages/robotrix/package.json b/packages/robotrix/package.json
index 69b41f0e..81337c69 100644
--- a/packages/robotrix/package.json
+++ b/packages/robotrix/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ts-tools/robotrix",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "description": "Useful TypeScript transpilation transformers.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
diff --git a/packages/transpile/package.json b/packages/transpile/package.json
index 7c8a7aee..5053e1ed 100644
--- a/packages/transpile/package.json
+++ b/packages/transpile/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ts-tools/transpile",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "description": "TypeScript transpilation helpers.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
diff --git a/packages/webpack-loader/package.json b/packages/webpack-loader/package.json
index 93f0ca30..9035abd6 100755
--- a/packages/webpack-loader/package.json
+++ b/packages/webpack-loader/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ts-tools/webpack-loader",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "description": "TypeScript loader for webpack.",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
@@ -9,7 +9,7 @@
     "webpack": ">=5.0.0"
   },
   "dependencies": {
-    "@ts-tools/transpile": "^3.0.1"
+    "@ts-tools/transpile": "^4.0.0"
   },
   "files": [
     "dist",