diff --git a/package-lock.json b/package-lock.json
index b362f65d..a6346b66 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,6 +16,12 @@
             "integrity": "sha512-GpQxofkdlHYxjHad98UUdNoMO7JrmzQZoAaghtNg14Gwg7YkohcrCoJEcEMSgllx4VIZ+mYw7ZHjfaeIagP/rg==",
             "dev": true
         },
+        "@types/vscode": {
+            "version": "1.35.0",
+            "resolved": "https://registry.npmjs.org/@types/vscode/-/vscode-1.35.0.tgz",
+            "integrity": "sha512-Iyliuu8Hv4qy4TEaevQzChh9UsTEcuaKdcHXBbvJnoJSF5Td2yNENOrPK+vuOaXJJBhQZb4BNJKOxt6caaQR8A==",
+            "dev": true
+        },
         "ajv": {
             "version": "6.10.0",
             "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
diff --git a/package.json b/package.json
index 0cbe2174..5fa920f0 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,6 @@
         "test": "npm run compile && node ./node_modules/vscode/bin/test",
         "prettier": "prettier **/*.ts",
         "check:version": "node cmd/check-version.js",
-        "postinstall": "node ./node_modules/vscode/bin/install",
         "installDevExtension": "npm install && ./node_modules/.bin/vsce package -o ./out/rls-vscode-dev.vsix && code --install-extension ./out/rls-vscode-dev.vsix"
     },
     "dependencies": {
@@ -56,6 +55,7 @@
     "devDependencies": {
         "@types/mocha": "^2.2.43",
         "@types/node": "~10.1.0",
+        "@types/vscode": "^1.31.0",
         "prettier": "^1.16.4",
         "tslint": "^5.14.0",
         "tslint-config-prettier": "^1.18.0",