diff --git a/docker/Dockerfile.base-build b/docker/Dockerfile.base-build
index 22ec220..9d0c8d3 100644
--- a/docker/Dockerfile.base-build
+++ b/docker/Dockerfile.base-build
@@ -1,4 +1,4 @@
-FROM fpco/pid1:18.04
+FROM fpco/pid1:20.04
 
 ENV LANG C.UTF-8
 RUN export DEBIAN_FRONTEND=noninteractive && \
diff --git a/docker/Dockerfile.base-run b/docker/Dockerfile.base-run
index 85e7313..6814e88 100644
--- a/docker/Dockerfile.base-run
+++ b/docker/Dockerfile.base-run
@@ -1,4 +1,4 @@
-FROM fpco/pid1:18.04
+FROM fpco/pid1:20.04
 
 RUN export DEBIAN_FRONTEND=noninteractive && \
     apt-get update && \