diff --git a/docs/assets/og.png b/docs/assets/og.png
new file mode 100644
index 0000000..6d6ed63
Binary files /dev/null and b/docs/assets/og.png differ
diff --git a/overrides/main.html b/overrides/main.html
new file mode 100644
index 0000000..5431833
--- /dev/null
+++ b/overrides/main.html
@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+
+{% block extrahead %}
+  {{ super() }}
+  <meta property="og:image" content="https://docs.columnar.tech/databow/assets/og.png">
+  <meta property="og:image:width" content="1200">
+  <meta property="og:image:height" content="630">
+  <meta property="og:image:alt" content="databow - a command-line tool for querying databases">
+  <meta name="twitter:card" content="summary_large_image">
+  <meta name="twitter:image" content="https://docs.columnar.tech/databow/assets/og.png">
+{% endblock %}
diff --git a/zensical.toml b/zensical.toml
index 392be28..9826f9c 100644
--- a/zensical.toml
+++ b/zensical.toml
@@ -17,6 +17,7 @@ language = "en"
 logo = "assets/logo.svg"
 favicon = "assets/logo.svg"
 font = false
+custom_dir = "overrides"
 features = [
     "announce.dismiss",
     "content.code.annotate",