diff --git a/.github/workflows/test-pull-request.yml b/.github/workflows/test-pull-request.yml
index b4be39b74..ba69e4a5d 100644
--- a/.github/workflows/test-pull-request.yml
+++ b/.github/workflows/test-pull-request.yml
@@ -33,7 +33,7 @@ jobs:
       run: |
         echo "REACT_APP_NAME=Pybricks Labs" >> $GITHUB_ENV
         echo "REACT_APP_SUFFIX=-labs" >> $GITHUB_ENV
-        echo "REACT_APP_VERSION=$GITHUB_SHA" >> $GITHUB_ENV
+        echo "REACT_APP_VERSION=$(date --iso)-$GITHUB_SHA" >> $GITHUB_ENV
     - run: yarn build
     - uses: actions/upload-artifact@v6
       with:
diff --git a/src/app/constants.ts b/src/app/constants.ts
index 90d4addcc..4bdfab603 100644
--- a/src/app/constants.ts
+++ b/src/app/constants.ts
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// Copyright (c) 2021-2023 The Pybricks Authors
+// Copyright (c) 2021-2026 The Pybricks Authors
 import docsPackage from '@pybricks/ide-docs/package.json';
 
 // Definitions for compile-time UI settings.
@@ -49,7 +49,7 @@ export const pybricksUsbLinuxUdevRulesUrl =
     'https://pybricks.com/projects/tutorials/dev/tools/linux/';
 
 /** Pybricks copyright statement. */
-export const pybricksCopyright = 'Copyright (c) 2020-2023 The Pybricks Authors';
+export const pybricksCopyright = 'Copyright (c) 2020-2026 The Pybricks Authors';
 
 /** The LEGO name with registered trademark symbol. */
 export const legoRegisteredTrademark = 'LEGO®';