diff --git a/mkosi.default.d/arch/10-mkosi.arch b/mkosi.default.d/arch/10-mkosi.arch
index 0458889b50..55e8a206c8 100644
--- a/mkosi.default.d/arch/10-mkosi.arch
+++ b/mkosi.default.d/arch/10-mkosi.arch
@@ -64,6 +64,7 @@ Packages=
         # Run `autoload -Uz compinit; compinit` from a zsh shell in the booted image to enable completions.
         zsh
         # Required to run systemd-networkd-tests.py
+        python
         iproute
         dnsmasq
         wireguard-tools
diff --git a/mkosi.default.d/debian/10-mkosi.debian b/mkosi.default.d/debian/10-mkosi.debian
index d35b1d72a6..7aa0194a60 100644
--- a/mkosi.default.d/debian/10-mkosi.debian
+++ b/mkosi.default.d/debian/10-mkosi.debian
@@ -73,3 +73,9 @@ Packages=
         locales
         nano
         strace
+        # Required to run systemd-networkd-tests.py
+        python3
+        iproute2
+        dnsmasq-base
+        wireguard-tools
+        isc-dhcp-server
diff --git a/mkosi.default.d/fedora/10-mkosi.fedora b/mkosi.default.d/fedora/10-mkosi.fedora
index 48864315dc..5fb4cca6bb 100644
--- a/mkosi.default.d/fedora/10-mkosi.fedora
+++ b/mkosi.default.d/fedora/10-mkosi.fedora
@@ -76,6 +76,7 @@ Packages=
         e2fsprogs
         compsize
         # Required to run systemd-networkd-tests.py
+        python
         iproute
         iproute-tc
         dnsmasq
diff --git a/mkosi.default.d/ubuntu/10-mkosi.ubuntu b/mkosi.default.d/ubuntu/10-mkosi.ubuntu
index c9c473e7ba..109bd468dc 100644
--- a/mkosi.default.d/ubuntu/10-mkosi.ubuntu
+++ b/mkosi.default.d/ubuntu/10-mkosi.ubuntu
@@ -71,3 +71,9 @@ Packages=
         locales
         nano
         strace
+        # Required to run systemd-networkd-tests.py
+        python3
+        iproute2
+        dnsmasq-base
+        wireguard-tools
+        isc-dhcp-server