diff --git a/templates/centos.Dockerfile b/templates/centos.Dockerfile
index a7ec18a..79f9f82 100644
--- a/templates/centos.Dockerfile
+++ b/templates/centos.Dockerfile
@@ -39,3 +39,6 @@ RUN cd /boot && \
         mv $(find . -name 'vmlinuz-*') /boot/vmlinuz && \
         mv $(find . -name 'initramfs-*.img') /boot/initrd.img
 {{- end }}
+
+RUN yum clean all && \
+    rm -rf /var/cache/yum
diff --git a/templates/debian.Dockerfile b/templates/debian.Dockerfile
index 906cd79..5d8b036 100644
--- a/templates/debian.Dockerfile
+++ b/templates/debian.Dockerfile
@@ -74,3 +74,6 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends cr
 RUN mv $(find /boot -name 'vmlinuz-*') /boot/vmlinuz && \
       mv $(find /boot -name 'initrd.img-*') /boot/initrd.img
 {{- end }}
+
+RUN apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
diff --git a/templates/ubuntu.Dockerfile b/templates/ubuntu.Dockerfile
index 3b4d4a3..24c9f7a 100644
--- a/templates/ubuntu.Dockerfile
+++ b/templates/ubuntu.Dockerfile
@@ -63,3 +63,6 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends cr
 RUN mv $(find /boot -name 'vmlinuz-*') /boot/vmlinuz && \
       mv $(find /boot -name 'initrd.img-*') /boot/initrd.img
 {{- end }}
+
+RUN apt-get clean && \
+    rm -rf /var/lib/apt/lists/*