diff --git a/doc/.gitignore b/doc/.gitignore
index daf31a2cd..f7b3a16cd 100644
--- a/doc/.gitignore
+++ b/doc/.gitignore
@@ -24,3 +24,6 @@ taler-exchange.html
 taler-exchange.fn
 taler-exchange.cp
 taler-exchange.auxtaler-exchange.cps
+cbdc-es/cbdc-es.pdf
+cbdc-it/cbdc-it.pdf
+audit/response-202109.pdf