diff --git a/scripts/images/raspberry-pi-hypriot64/Dockerfile.dapper b/scripts/images/raspberry-pi-hypriot64/Dockerfile.dapper
index 46ff03916..bfd3d566e 100644
--- a/scripts/images/raspberry-pi-hypriot64/Dockerfile.dapper
+++ b/scripts/images/raspberry-pi-hypriot64/Dockerfile.dapper
@@ -1,4 +1,4 @@
-FROM ubuntu:xenial
+FROM ubuntu:xenial-20210416
 # FROM arm64=arm64v8/ubuntu:xenial
 
 ENV DAPPER_RUN_ARGS --privileged