diff --git a/dev/bots/docs.sh b/dev/bots/docs.sh
index 98dda74495..508a092d31 100755
--- a/dev/bots/docs.sh
+++ b/dev/bots/docs.sh
@@ -8,7 +8,7 @@ set -e
bin/flutter --version
# Install dartdoc.
-bin/cache/dart-sdk/bin/pub global activate dartdoc 0.11.1
+bin/cache/dart-sdk/bin/pub global activate dartdoc 0.12.0
# This script generates a unified doc set, and creates
# a custom index.html, placing everything into dev/docs/doc.
diff --git a/dev/docs/styles.html b/dev/docs/styles.html
index a111a6eed7..d423efc3ff 100644
--- a/dev/docs/styles.html
+++ b/dev/docs/styles.html
@@ -1,11 +1,12 @@