diff --git a/src/native.rs b/src/native.rs
index e8074c7..de1c26a 100644
--- a/src/native.rs
+++ b/src/native.rs
@@ -88,6 +88,18 @@ extern "C" {
         name: *const c_char,
         out: *mut scf_instance_t,
     ) -> c_int;
+    pub fn scf_service_get_pg(
+        service: *const scf_service_t,
+        name: *const c_char,
+        out: *mut scf_propertygroup_t,
+    ) -> c_int;
+    pub fn scf_service_add_pg(
+        service: *const scf_service_t,
+        name: *const c_char,
+        pgtype: *const c_char,
+        flags: u32,
+        out: *mut scf_propertygroup_t,
+    ) -> c_int;
 
     pub fn scf_iter_scope_services(
         iter: *mut scf_iter_t,
diff --git a/src/stubs.rs b/src/stubs.rs
index 148e3cf..0ccc296 100644
--- a/src/stubs.rs
+++ b/src/stubs.rs
@@ -159,6 +159,22 @@ mod stubs {
     ) -> c_int {
         unimplemented!()
     }
+    pub unsafe fn scf_service_get_pg(
+        service: *const scf_service_t,
+        name: *const c_char,
+        out: *mut scf_propertygroup_t,
+    ) -> c_int {
+        unimplemented!()
+    }
+    pub unsafe fn scf_service_add_pg(
+        service: *const scf_service_t,
+        name: *const c_char,
+        pgtype: *const c_char,
+        flags: u32,
+        out: *mut scf_propertygroup_t,
+    ) -> c_int {
+        unimplemented!()
+    }
 
     pub unsafe fn scf_iter_scope_services(
         iter: *mut scf_iter_t,