diff --git a/pica-etherpad-db/Dockerfile b/pica-etherpad-db/Dockerfile
index f0cd6ca670c75ba817777f5b60e21e50f834c956..2e09a075caf1afa669d981a6c0cf384511e5af53 100644
--- a/pica-etherpad-db/Dockerfile
+++ b/pica-etherpad-db/Dockerfile
@@ -1,4 +1,4 @@
-FROM mysql:8
+FROM mysql:8.0.20
 
 COPY config/binary_log.cnf /etc/mysql/conf.d/binary_log.cnf
 COPY config/myisam_perf.cnf /etc/mysql/conf.d/myisam_perf.cnf