diff --git a/bin/tsc.js b/bin/tsc.js
index 230e4864c84..870baaf7146 100644
--- a/bin/tsc.js
+++ b/bin/tsc.js
@@ -84,9 +84,9 @@ var ts;
         if (array) {
             result = [];
             for (var _i = 0; _i < array.length; _i++) {
-                var item_1 = array[_i];
-                if (f(item_1)) {
-                    result.push(item_1);
+                var item = array[_i];
+                if (f(item)) {
+                    result.push(item);
                 }
             }
         }
@@ -118,9 +118,9 @@ var ts;
         if (array) {
             result = [];
             for (var _i = 0; _i < array.length; _i++) {
-                var item_2 = array[_i];
-                if (!contains(result, item_2)) {
-                    result.push(item_2);
+                var item = array[_i];
+                if (!contains(result, item)) {
+                    result.push(item);
                 }
             }
         }
@@ -24299,7 +24299,7 @@ var ts;
     ts.emitTime = 0;
     ts.ioReadTime = 0;
     ts.ioWriteTime = 0;
-    ts.version = "1.5.0-alpha";
+    ts.version = "1.5.0-beta";
     function findConfigFile(searchPath) {
         var fileName = "tsconfig.json";
         while (true) {
diff --git a/bin/tsserver.js b/bin/tsserver.js
index 0721b0b21a1..5f71004b16b 100644
--- a/bin/tsserver.js
+++ b/bin/tsserver.js
@@ -24642,7 +24642,7 @@ var ts;
     ts.emitTime = 0;
     ts.ioReadTime = 0;
     ts.ioWriteTime = 0;
-    ts.version = "1.5.0-alpha";
+    ts.version = "1.5.0-beta";
     function findConfigFile(searchPath) {
         var fileName = "tsconfig.json";
         while (true) {
diff --git a/bin/typescript.js b/bin/typescript.js
index 0165995c56d..6c206d1b87e 100644
--- a/bin/typescript.js
+++ b/bin/typescript.js
@@ -28710,7 +28710,7 @@ var ts;
     /* @internal */ ts.ioReadTime = 0;
     /* @internal */ ts.ioWriteTime = 0;
     /** The version of the TypeScript compiler release */
-    ts.version = "1.5.0-alpha";
+    ts.version = "1.5.0-beta";
     function findConfigFile(searchPath) {
         var fileName = "tsconfig.json";
         while (true) {
diff --git a/bin/typescriptServices.js b/bin/typescriptServices.js
index 0165995c56d..6c206d1b87e 100644
--- a/bin/typescriptServices.js
+++ b/bin/typescriptServices.js
@@ -28710,7 +28710,7 @@ var ts;
     /* @internal */ ts.ioReadTime = 0;
     /* @internal */ ts.ioWriteTime = 0;
     /** The version of the TypeScript compiler release */
-    ts.version = "1.5.0-alpha";
+    ts.version = "1.5.0-beta";
     function findConfigFile(searchPath) {
         var fileName = "tsconfig.json";
         while (true) {