diff --git a/.travis.old.yml b/.travis.old.yml
deleted file mode 100644
index 2b98d2d..0000000
--- a/.travis.old.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-jobs:
-  include:
-  - stage: Deploy Server
-    if: &release_tag tag =~ /^\d+\.\d+\.\d+$/
-    dist: bionic
-    language: python
-    python: 3.7
-    before_install:
-    - cd server
-    script:
-    - python3 setup.py sdist bdist_wheel
-    - twine upload --skip-existing dist/*
-
-  - stage: Deploy Clients
-    name: VSCode
-    if: *release_tag
-    language: node_js
-    node_js: node
-    install:
-    - cd client/vscode
-    - npm ci
-    script:
-    - npm version ${TRAVIS_TAG}
-    - vsce publish -p ${VSCE_TOKEN}
-
-  - stage: Deploy Clients
-    name: IntelliJ
-    if: *release_tag
-    language: java
-    jdk: openjdk8
-    before_install:
-    - cd client/intellij
-    script:
-    - ./gradlew publishPlugin -Ptoken=${INTELLIJ_TOKEN}
diff --git a/client/vscode/src/extension.ts b/client/vscode/src/extension.ts
index 76329f7..2548f1b 100644
--- a/client/vscode/src/extension.ts
+++ b/client/vscode/src/extension.ts
@@ -90,9 +90,14 @@ export async function activate(context: ExtensionContext) {
       throw new Error(`${language}.pythonPath is not set`);
     }
 
-    await promisify(execFile)(pythonPath, [
-      "-m", "pip", "install", "--user", "wdl-lsp==" + version,
-    ]);
+    const { stdout } = await promisify(execFile)(pythonPath, ["-m", "pip", "show", "wdl-lsp"]);
+    const versionStr = stdout.split('\n').find(line => line.startsWith('Version:'));
+    if (!versionStr || versionStr.split(':')[1].trim() !== version) {
+      await promisify(execFile)(pythonPath, [
+        "-m", "pip", "install", "--user", "wdl-lsp==" + version,
+      ]);
+    }
+
     client = startLangServer(pythonPath, ["-m", "wdl_lsp"], cwd);
   }