diff --git a/package.json b/package.json
index b6b1b123f64..54d5f896186 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "native-keymap": "2.1.0",
     "native-watchdog": "1.3.0",
     "node-pty": "^0.10.0-beta2",
-    "onigasm-umd": "^2.2.4",
+    "onigasm-umd": "2.2.5",
     "semver-umd": "^5.5.3",
     "spdlog": "^0.11.1",
     "sudo-prompt": "9.1.1",
diff --git a/remote/package.json b/remote/package.json
index 798d355724c..fa35af0ae93 100644
--- a/remote/package.json
+++ b/remote/package.json
@@ -12,7 +12,7 @@
     "jschardet": "2.1.1",
     "native-watchdog": "1.3.0",
     "node-pty": "^0.10.0-beta2",
-    "onigasm-umd": "^2.2.4",
+    "onigasm-umd": "2.2.5",
     "semver-umd": "^5.5.3",
     "spdlog": "^0.11.1",
     "vscode-minimist": "^1.2.2",
diff --git a/remote/web/package.json b/remote/web/package.json
index 20e2b4043e9..6cf60157138 100644
--- a/remote/web/package.json
+++ b/remote/web/package.json
@@ -2,7 +2,7 @@
 	"name": "vscode-web",
 	"version": "0.0.0",
 	"dependencies": {
-		"onigasm-umd": "^2.2.4",
+		"onigasm-umd": "2.2.5",
 		"semver-umd": "^5.5.3",
 		"vscode-textmate": "4.4.0",
 		"xterm": "4.3.0-beta17",
diff --git a/remote/web/yarn.lock b/remote/web/yarn.lock
index befd242ac50..124cf2e3725 100644
--- a/remote/web/yarn.lock
+++ b/remote/web/yarn.lock
@@ -7,10 +7,10 @@ nan@^2.14.0:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
 
-onigasm-umd@^2.2.4:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/onigasm-umd/-/onigasm-umd-2.2.4.tgz#27ee87f7496c66ad40cebfbc0d418c19bb7db5ec"
-  integrity sha512-N9VqCUhl9KBuzm47vcK8T/xUnbYylIhMN45Rwltlo1sZc3QUDda6SxIlyVB8r0SJQwURv8JOHjyXjjCriGvzRg==
+onigasm-umd@2.2.5:
+  version "2.2.5"
+  resolved "https://registry.yarnpkg.com/onigasm-umd/-/onigasm-umd-2.2.5.tgz#f104247334a543accd3f8d641a4d99b3d908d6a1"
+  integrity sha512-R3qD7hq6i2bBklF+QyjqZl/G4fe7GwtukI28YLH2vuiatqx52tb9vpg2sxwemKc3nF76SgkeyOKJLchBmTm0Aw==
 
 oniguruma@^7.2.0:
   version "7.2.0"
diff --git a/remote/yarn.lock b/remote/yarn.lock
index 6bdc67d3b65..07620b8134f 100644
--- a/remote/yarn.lock
+++ b/remote/yarn.lock
@@ -283,10 +283,10 @@ normalize-path@^3.0.0, normalize-path@~3.0.0:
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
   integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
 
-onigasm-umd@^2.2.4:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/onigasm-umd/-/onigasm-umd-2.2.4.tgz#27ee87f7496c66ad40cebfbc0d418c19bb7db5ec"
-  integrity sha512-N9VqCUhl9KBuzm47vcK8T/xUnbYylIhMN45Rwltlo1sZc3QUDda6SxIlyVB8r0SJQwURv8JOHjyXjjCriGvzRg==
+onigasm-umd@2.2.5:
+  version "2.2.5"
+  resolved "https://registry.yarnpkg.com/onigasm-umd/-/onigasm-umd-2.2.5.tgz#f104247334a543accd3f8d641a4d99b3d908d6a1"
+  integrity sha512-R3qD7hq6i2bBklF+QyjqZl/G4fe7GwtukI28YLH2vuiatqx52tb9vpg2sxwemKc3nF76SgkeyOKJLchBmTm0Aw==
 
 oniguruma@^7.2.0:
   version "7.2.0"
diff --git a/src/typings/onigasm-umd.d.ts b/src/typings/onigasm-umd.d.ts
deleted file mode 100644
index 151cecebfdd..00000000000
--- a/src/typings/onigasm-umd.d.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-
-declare module "onigasm-umd" {
-
-	function loadWASM(data: string | ArrayBuffer): Promise<void>;
-
-	class OnigString {
-		constructor(content: string);
-		readonly content: string;
-		readonly dispose?: () => void;
-	}
-
-	class OnigScanner {
-		constructor(patterns: string[]);
-		findNextMatchSync(string: string | OnigString, startPosition: number): IOnigMatch;
-	}
-
-	export interface IOnigCaptureIndex {
-		index: number
-		start: number
-		end: number
-		length: number
-	}
-
-	export interface IOnigMatch {
-		index: number
-		captureIndices: IOnigCaptureIndex[]
-		scanner: OnigScanner
-	}
-}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index ef6fc958089..31726b4dfef 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6068,10 +6068,10 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-onigasm-umd@^2.2.4:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/onigasm-umd/-/onigasm-umd-2.2.4.tgz#27ee87f7496c66ad40cebfbc0d418c19bb7db5ec"
-  integrity sha512-N9VqCUhl9KBuzm47vcK8T/xUnbYylIhMN45Rwltlo1sZc3QUDda6SxIlyVB8r0SJQwURv8JOHjyXjjCriGvzRg==
+onigasm-umd@2.2.5:
+  version "2.2.5"
+  resolved "https://registry.yarnpkg.com/onigasm-umd/-/onigasm-umd-2.2.5.tgz#f104247334a543accd3f8d641a4d99b3d908d6a1"
+  integrity sha512-R3qD7hq6i2bBklF+QyjqZl/G4fe7GwtukI28YLH2vuiatqx52tb9vpg2sxwemKc3nF76SgkeyOKJLchBmTm0Aw==
 
 oniguruma@^7.2.0:
   version "7.2.0"