From 52fb9359366ccca089330af7e8bc50d2b327320d Mon Sep 17 00:00:00 2001
From: Massimiliano Pippi <mpippi@gmail.com>
Date: Wed, 5 Apr 2023 15:52:44 +0200
Subject: [PATCH] build xpdf on bionic (#4606)

---
 docker/Dockerfile.xpdf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker/Dockerfile.xpdf b/docker/Dockerfile.xpdf
index 16361cd8d..208937ab0 100644
--- a/docker/Dockerfile.xpdf
+++ b/docker/Dockerfile.xpdf
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:bionic
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \