diff --git a/_vendors/gitbook.yaml b/_vendors/gitbook.yaml
new file mode 100644
index 0000000..1b70010
--- /dev/null
+++ b/_vendors/gitbook.yaml
@@ -0,0 +1,11 @@
+---
+base_pricing: $8 per u/m
+footnotes: '[^gitbook-price]: Google SSO is provided for free, but
+  SAML is only included at the Pro tier. The move from Plus to Pro also
+  adds a fixed $99/mo "platform fee".'
+name: GitBook
+percent_increase: 87.5%
+pricing_source: https://www.gitbook.com/pricing
+sso_pricing: $15 per u/m[^gitbook-price]
+updated_at: 2024-05-09
+vendor_url: https://www.gitbook.com