diff --git a/Dockerfile b/Dockerfile
index caa57e6..a026ee9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -107,7 +107,7 @@ RUN \
   rm /xrdp.deb && \
   echo "**** install docker ****" && \
   curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - && \
-  add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable" && \
+  add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu jammy stable" && \
   apt-get update && \
   apt-get install -y --no-install-recommends \
     docker-ce-cli && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 76db929..8c69bff 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -101,7 +101,7 @@ RUN \
   rm /xrdp.deb && \
   echo "**** install docker ****" && \
   curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add - && \
-  add-apt-repository "deb [arch=arm64] https://download.docker.com/linux/ubuntu bionic stable" && \
+  add-apt-repository "deb [arch=arm64] https://download.docker.com/linux/ubuntu jammy stable" && \
   apt-get update && \
   apt-get install -y --no-install-recommends \
     docker-ce-cli && \