diff --git a/.github/workflows/go_test.yml b/.github/workflows/go_test.yml
index 8ea2e03..454ab69 100644
--- a/.github/workflows/go_test.yml
+++ b/.github/workflows/go_test.yml
@@ -40,6 +40,9 @@
           go install gotest.tools/gotestsum@latest
           go install mvdan.cc/gofumpt@latest
           go install golang.org/x/tools/cmd/goimports@latest
+          # Empirically (by logging into runners with tmate), there are versions of Chromium/Chrome in /opt/google/chrome
+          # and /usr/local/share/chromium/chrome-linux. However, adding them to the PATH
+          # hasn't worked yet. I don't know why.
           sudo apt-get update && sudo apt-get -y install chromium
 
       - name: Go generate
diff --git a/claudetool/browse/browse.go b/claudetool/browse/browse.go
index 5cd28cd..9ab1ae3 100644
--- a/claudetool/browse/browse.go
+++ b/claudetool/browse/browse.go
@@ -71,6 +71,10 @@
 	b.initOnce.Do(func() {
 		// ChromeDP.ExecPath has a list of common places to find Chrome...
 		opts := chromedp.DefaultExecAllocatorOptions[:]
+		// This is the default when running as root, but we generally need it
+		// when running in a container, even when we aren't root (which is largely
+		// the case for tests).
+		opts = append(opts, chromedp.NoSandbox)
 		allocCtx, _ := chromedp.NewExecAllocator(b.ctx, opts...)
 		browserCtx, browserCancel := chromedp.NewContext(
 			allocCtx,