diff --git a/Dockerfile b/Dockerfile
index 97b69907a0387aeb73f013cef1f110026aa79b1a..06305dcba5f860daef5cd06a99cbfe21460805ed 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 FROM registry.git.autistici.org/ai3/tools/smtpd-pipe:master AS smtpd
 
 # Stage 2: build the final container
-FROM registry.git.autistici.org/ai3/docker/apache2-base:s6
+FROM registry.git.autistici.org/ai3/docker/apache2-base:master
 COPY build.sh /tmp/build.sh
 COPY ai-lurker-ui.patch /tmp/ai-lurker-ui.patch
 COPY conf/ /etc/