diff --git a/.docker/ubuntu b/.docker/ubuntu
index 72bd757..47b1e0a 100644
--- a/.docker/ubuntu
+++ b/.docker/ubuntu
@@ -1,4 +1,4 @@
-FROM ubuntu:21.04
+FROM ubuntu:20.10
 
 RUN apt-get update \
 	&& apt-get install -y \
diff --git a/.docker/ubuntu-desktop b/.docker/ubuntu-desktop
index a000142..e494431 100644
--- a/.docker/ubuntu-desktop
+++ b/.docker/ubuntu-desktop
@@ -1,4 +1,4 @@
-FROM ubuntu:21.04
+FROM ubuntu:20.10
 
 RUN apt-get update \
 	&& apt-get install -y \
diff --git a/.docker/ubuntu-pwn b/.docker/ubuntu-pwn
index a1456f0..a5df248 100644
--- a/.docker/ubuntu-pwn
+++ b/.docker/ubuntu-pwn
@@ -1,4 +1,4 @@
-FROM ubuntu:21.04
+FROM ubuntu:20.10
 
 RUN apt-get update \
 	&& apt-get install -y \