diff --git a/archlinux/PKGBUILD b/archlinux/PKGBUILD
index bfe90e2..49f3784 100644
--- a/archlinux/PKGBUILD
+++ b/archlinux/PKGBUILD
@@ -117,6 +117,7 @@ package_qubes-vm-networking() {
     pkgdesc="Qubes OS tools allowing to use a Qubes VM as a NetVM/ProxyVM"
     depends=(qubes-vm-core qubes-vm-utils python ethtool net-tools
              qubes-db-vm networkmanager iptables tinyproxy nftables
+             conntrack-tools
              )
     install=PKGBUILD-networking.install
 
diff --git a/debian/control b/debian/control
index d02dd12..d028177 100644
--- a/debian/control
+++ b/debian/control
@@ -125,6 +125,7 @@ Depends:
     iptables,
     net-tools,
     ethtool,
+    conntrack,
     socat,
     tinyproxy,
     iproute2,
diff --git a/rpm_spec/core-agent.spec.in b/rpm_spec/core-agent.spec.in
index 17720ab..262a71b 100644
--- a/rpm_spec/core-agent.spec.in
+++ b/rpm_spec/core-agent.spec.in
@@ -235,6 +235,7 @@ Scripts required to handle dom0 updates.
 Summary:    Networking support for Qubes VM
 Requires:   ethtool
 Requires:   iptables
+Requires:   conntrack-tools
 Requires:   net-tools
 Requires:   iproute
 Requires:   nftables