diff --git a/package-lock.json b/package-lock.json
index 5c4d7ef348..7ae2aaa9af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1147,9 +1147,9 @@
       "dev": true
     },
     "tslint": {
-      "version": "5.14.0",
-      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.14.0.tgz",
-      "integrity": "sha512-IUla/ieHVnB8Le7LdQFRGlVJid2T/gaJe5VkjzRVSRR6pA2ODYrnfR1hmxi+5+au9l50jBwpbBL34txgv4NnTQ==",
+      "version": "5.15.0",
+      "resolved": "https://registry.npmjs.org/tslint/-/tslint-5.15.0.tgz",
+      "integrity": "sha512-6bIEujKR21/3nyeoX2uBnE8s+tMXCQXhqMmaIPJpHmXJoBJPTLcI7/VHRtUwMhnLVdwLqqY3zmd8Dxqa5CVdJA==",
       "dev": true,
       "requires": {
         "babel-code-frame": "^6.22.0",
@@ -1158,7 +1158,7 @@
         "commander": "^2.12.1",
         "diff": "^3.2.0",
         "glob": "^7.1.1",
-        "js-yaml": "^3.7.0",
+        "js-yaml": "^3.13.0",
         "minimatch": "^3.0.4",
         "mkdirp": "^0.5.1",
         "resolve": "^1.3.2",
diff --git a/package.json b/package.json
index 24d71dd754..e50e959119 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "mocha": "~5.2.0",
     "mocha-junit-reporter": "~1.21.0",
     "mocha-multi-reporters": "~1.1.7",
-    "tslint": "~5.14.0",
+    "tslint": "~5.15.0",
     "typescript": "~3.4.3",
     "vsce": "~1.59.0",
     "vscode": "~1.1.33"
diff --git a/src/features/ExtensionCommands.ts b/src/features/ExtensionCommands.ts
index 430ff9a2d1..23c3159b68 100644
--- a/src/features/ExtensionCommands.ts
+++ b/src/features/ExtensionCommands.ts
@@ -20,7 +20,7 @@ export interface IExtensionCommandQuickPickItem extends vscode.QuickPickItem {
 }
 
 export const InvokeExtensionCommandRequestType =
-    new RequestType<InvokeExtensionCommandRequestArguments, void, void, void>(
+    new RequestType<IInvokeExtensionCommandRequestArguments, void, void, void>(
         "powerShell/invokeExtensionCommand");
 
 export interface IEditorContext {
@@ -31,7 +31,7 @@ export interface IEditorContext {
     selectionRange: Range;
 }
 
-export interface InvokeExtensionCommandRequestArguments {
+export interface IInvokeExtensionCommandRequestArguments {
     name: string;
     context: IEditorContext;
 }
@@ -285,7 +285,7 @@ export class ExtensionCommandsFeature implements IFeature {
                 a.name.localeCompare(b.name));
     }
 
-    private showExtensionCommands(client: LanguageClient): Thenable<InvokeExtensionCommandRequestArguments> {
+    private showExtensionCommands(client: LanguageClient): Thenable<IInvokeExtensionCommandRequestArguments> {
 
         // If no extension commands are available, show a message
         if (this.extensionCommands.length === 0) {