diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index d355516b4..0e0469003 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM quay.io/wekan/ubuntu:groovy-20201125.2
+FROM quay.io/wekan/ubuntu:hirsute-20210522
 LABEL maintainer="sgr"
 
 # 2020-12-03:
diff --git a/Dockerfile b/Dockerfile
index 6ba008bad..3ed9e9627 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM quay.io/wekan/ubuntu:groovy-20210115
+FROM quay.io/wekan/ubuntu:hirsute-20210522
 LABEL maintainer="wekan"
 
 # 2020-12-03: