diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index 286862006a..bdd8f7d701 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -441,6 +441,21 @@
                                 systemd.</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term><varname>PartOf=</varname></term>
+
+                                 <listitem><para>Configures dependency
+                                 on other unit. When systemd stops or
+                                 restarts unit listed here, stop or
+                                 restart is propagated to dependent
+                                 units. Note that this is one way
+                                 dependency and changes to dependent
+                                 units does not affect listed unit. If
+                                 something else is desired, please
+                                 use some other type of dependency.
+                                 </para></listitem>
+                        </varlistentry>
+
                         <varlistentry>
                                 <term><varname>Conflicts=</varname></term>
 
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index d6a4711a32..2b1cfa073c 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -112,6 +112,7 @@ Unit.PropagatesReloadTo,         config_parse_unit_deps,             UNIT_PROPAG
 Unit.PropagateReloadTo,          config_parse_unit_deps,             UNIT_PROPAGATES_RELOAD_TO,     0
 Unit.ReloadPropagatedFrom,       config_parse_unit_deps,             UNIT_RELOAD_PROPAGATED_FROM,   0
 Unit.PropagateReloadFrom,        config_parse_unit_deps,             UNIT_RELOAD_PROPAGATED_FROM,   0
+Unit.PartOf,                     config_parse_unit_deps,             UNIT_PART_OF,                  0
 Unit.RequiresMountsFor,          config_parse_unit_requires_mounts_for, 0,                          offsetof(Unit, requires_mounts_for)
 Unit.StopWhenUnneeded,           config_parse_bool,                  0,                             offsetof(Unit, stop_when_unneeded)
 Unit.RefuseManualStart,          config_parse_bool,                  0,                             offsetof(Unit, refuse_manual_start)
diff --git a/src/core/transaction.c b/src/core/transaction.c
index a1cf706934..1f8d803aeb 100644
--- a/src/core/transaction.c
+++ b/src/core/transaction.c
@@ -994,6 +994,18 @@ int transaction_add_job_and_dependencies(
                                                 dbus_error_free(e);
                                 }
                         }
+
+                        SET_FOREACH(dep, ret->unit->dependencies[UNIT_CONSISTS_OF], i) {
+                                r = transaction_add_job_and_dependencies(tr, type, dep, ret, true, override, false, false, ignore_order, e);
+                                if (r < 0) {
+                                        if (r != -EBADR)
+                                                goto fail;
+
+                                        if (e)
+                                                dbus_error_free(e);
+                                }
+                        }
+
                 }
 
                 if (type == JOB_RELOAD) {
diff --git a/src/core/unit.c b/src/core/unit.c
index 7b2f597589..be75cd792d 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -1610,7 +1610,8 @@ int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_referen
                 [UNIT_TRIGGERS] = UNIT_TRIGGERED_BY,
                 [UNIT_TRIGGERED_BY] = UNIT_TRIGGERS,
                 [UNIT_PROPAGATES_RELOAD_TO] = UNIT_RELOAD_PROPAGATED_FROM,
-                [UNIT_RELOAD_PROPAGATED_FROM] = UNIT_PROPAGATES_RELOAD_TO
+                [UNIT_RELOAD_PROPAGATED_FROM] = UNIT_PROPAGATES_RELOAD_TO,
+                [UNIT_PART_OF] = UNIT_CONSISTS_OF
         };
         int r, q = 0, v = 0, w = 0;
 
diff --git a/src/core/unit.h b/src/core/unit.h
index 2102b7a570..89bd61c2d8 100644
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -75,12 +75,14 @@ enum UnitDependency {
         UNIT_REQUISITE_OVERRIDABLE,
         UNIT_WANTS,
         UNIT_BINDS_TO,
+        UNIT_PART_OF,
 
         /* Inverse of the above */
         UNIT_REQUIRED_BY,             /* inverse of 'requires' and 'requisite' is 'required_by' */
         UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */
         UNIT_WANTED_BY,               /* inverse of 'wants' */
         UNIT_BOUND_BY,                /* inverse of 'binds_to' */
+        UNIT_CONSISTS_OF,             /* inverse of 'part_of' */
 
         /* Negative dependencies */
         UNIT_CONFLICTS,               /* inverse of 'conflicts' is 'conflicted_by' */