diff --git a/lib/tsc.js b/lib/tsc.js
index 0be45fbb402e8..d30565165b537 100644
--- a/lib/tsc.js
+++ b/lib/tsc.js
@@ -67,7 +67,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
 var ts;
 (function (ts) {
     ts.versionMajorMinor = "4.0";
-    ts.version = "4.0.4";
+    ts.version = "4.0.5";
     var NativeCollections;
     (function (NativeCollections) {
         function tryGetNativeMap() {
diff --git a/lib/tsserver.js b/lib/tsserver.js
index e014ab866df18..132e7451182be 100644
--- a/lib/tsserver.js
+++ b/lib/tsserver.js
@@ -94,7 +94,7 @@ var ts;
     // If changing the text in this section, be sure to test `configurePrerelease` too.
     ts.versionMajorMinor = "4.0";
     /** The version of the TypeScript compiler release */
-    ts.version = "4.0.4";
+    ts.version = "4.0.5";
     /* @internal */
     var Comparison;
     (function (Comparison) {
diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js
index 80400bcfcf50d..14db40a451d70 100644
--- a/lib/tsserverlibrary.js
+++ b/lib/tsserverlibrary.js
@@ -288,7 +288,7 @@ var ts;
     // If changing the text in this section, be sure to test `configurePrerelease` too.
     ts.versionMajorMinor = "4.0";
     /** The version of the TypeScript compiler release */
-    ts.version = "4.0.4";
+    ts.version = "4.0.5";
     /* @internal */
     var Comparison;
     (function (Comparison) {
diff --git a/lib/typescript.js b/lib/typescript.js
index 4ee574ace19bc..902286ac2ed8b 100644
--- a/lib/typescript.js
+++ b/lib/typescript.js
@@ -288,7 +288,7 @@ var ts;
     // If changing the text in this section, be sure to test `configurePrerelease` too.
     ts.versionMajorMinor = "4.0";
     /** The version of the TypeScript compiler release */
-    ts.version = "4.0.4";
+    ts.version = "4.0.5";
     /* @internal */
     var Comparison;
     (function (Comparison) {
diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js
index 28b0913ceed6e..f5b4a76c03a59 100644
--- a/lib/typescriptServices.js
+++ b/lib/typescriptServices.js
@@ -288,7 +288,7 @@ var ts;
     // If changing the text in this section, be sure to test `configurePrerelease` too.
     ts.versionMajorMinor = "4.0";
     /** The version of the TypeScript compiler release */
-    ts.version = "4.0.4";
+    ts.version = "4.0.5";
     /* @internal */
     var Comparison;
     (function (Comparison) {
diff --git a/lib/typingsInstaller.js b/lib/typingsInstaller.js
index 70499f3f16c4f..2c9fa35817330 100644
--- a/lib/typingsInstaller.js
+++ b/lib/typingsInstaller.js
@@ -83,7 +83,7 @@ var ts;
     // If changing the text in this section, be sure to test `configurePrerelease` too.
     ts.versionMajorMinor = "4.0";
     /** The version of the TypeScript compiler release */
-    ts.version = "4.0.4";
+    ts.version = "4.0.5";
     /* @internal */
     var Comparison;
     (function (Comparison) {
diff --git a/package.json b/package.json
index 91bada48318c5..ab953b17d074a 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "https://www.typescriptlang.org/",
-    "version": "4.0.4",
+    "version": "4.0.5",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [
diff --git a/src/compiler/corePublic.ts b/src/compiler/corePublic.ts
index 9ecd9b512e657..d06cc13e38e7b 100644
--- a/src/compiler/corePublic.ts
+++ b/src/compiler/corePublic.ts
@@ -3,7 +3,7 @@ namespace ts {
     // If changing the text in this section, be sure to test `configurePrerelease` too.
     export const versionMajorMinor = "4.0";
     /** The version of the TypeScript compiler release */
-    export const version = "4.0.4" as string;
+    export const version = "4.0.5" as string;
 
     /**
      * Type of objects whose values are all of the same type.