diff --git a/docker/admin/install.bash b/docker/admin/install.bash
index c3078b0..16d918a 100755
--- a/docker/admin/install.bash
+++ b/docker/admin/install.bash
@@ -37,6 +37,7 @@ dctrl-tools
 docker-ce-cli
 g++
 git
+htop
 jq
 less
 make
diff --git a/docker/packaging/install.bash b/docker/packaging/install.bash
index 434d832..01eddad 100755
--- a/docker/packaging/install.bash
+++ b/docker/packaging/install.bash
@@ -66,6 +66,7 @@ unzip
 # basic utilities
 bind9-dnsutils
 git
+htop
 jq
 less
 man
diff --git a/docker/runtime/install.bash b/docker/runtime/install.bash
index 118ea2d..fac1dc1 100755
--- a/docker/runtime/install.bash
+++ b/docker/runtime/install.bash
@@ -117,6 +117,7 @@ dctrl-tools
 bind9-dnsutils
 less
 git
+htop
 jq
 make
 man