diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index 75b4143d6810..f218863ecf05 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -209,6 +209,11 @@ let
     "dbus-org.freedesktop.portable1.service"
     "systemd-portabled.service"
   ]
+  ++ optionals cfg.package.withRepart [
+    # Varlink APIs
+    "systemd-repart@.service"
+    "systemd-repart.socket"
+  ]
   ++ [
     "systemd-exit.service"
     "systemd-update-done.service"
diff --git a/nixos/modules/system/boot/systemd/repart.nix b/nixos/modules/system/boot/systemd/repart.nix
index fce8e417991d..2126464c5250 100644
--- a/nixos/modules/system/boot/systemd/repart.nix
+++ b/nixos/modules/system/boot/systemd/repart.nix
@@ -157,6 +157,12 @@ in
     boot.initrd.systemd = lib.mkIf initrdCfg.enable {
       additionalUpstreamUnits = [
         "systemd-repart.service"
+        # Varlink APIs
+        # NOTE: compared to stage 2 where the IPC is enabled in the global location, initrd
+        # might be optimized to keep away the repart binary.
+        # As a result, we enable repart IPC in the initrd only if repart is enabled in the initrd.
+        "systemd-repart.socket"
+        "systemd-repart@.service"
       ];
 
       storePaths = [
diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index f0fb666cd8de..47dc60f1d20b 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -703,6 +703,7 @@ stdenv.mkDerivation (finalAttrs: {
       withMachined
       withNetworkd
       withNspawn
+      withRepart
       withPortabled
       withSysupdate
       withTimedated