diff --git a/extensions/vscode-api-tests/package.json b/extensions/vscode-api-tests/package.json
index 54c7463d9a0..9211f0c21f5 100644
--- a/extensions/vscode-api-tests/package.json
+++ b/extensions/vscode-api-tests/package.json
@@ -37,6 +37,7 @@
     "taskPresentationGroup",
     "terminalDataWriteEvent",
     "terminalDimensions",
+    "envShellEvent",
     "testCoverage",
     "testObserver",
     "textSearchProvider",