diff --git a/build/azure-pipelines/upload-sourcemaps.ts b/build/azure-pipelines/upload-sourcemaps.ts
index 0e7ba508bf2..6a13aaf172d 100644
--- a/build/azure-pipelines/upload-sourcemaps.ts
+++ b/build/azure-pipelines/upload-sourcemaps.ts
@@ -10,6 +10,7 @@ import * as es from 'event-stream';
 import * as Vinyl from 'vinyl';
 import * as vfs from 'vinyl-fs';
 import * as util from '../lib/util';
+// @ts-ignore
 import * as deps from '../dependencies';
 const azure = require('gulp-azure-storage');
 
@@ -35,7 +36,7 @@ function main() {
 		const vs = src('out-vscode-min'); // client source-maps only
 		sources.push(vs);
 
-		const productionDependencies = deps.getProductionDependencies(root);
+		const productionDependencies: { name: string, path: string, version: string }[] = deps.getProductionDependencies(root);
 		const productionDependenciesSrc = productionDependencies.map(d => path.relative(root, d.path)).map(d => `./${d}/**/*.map`);
 		const nodeModules = vfs.src(productionDependenciesSrc, { base: '.' })
 			.pipe(util.cleanNodeModules(path.join(root, 'build', '.moduleignore')));