diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09828160..7553408d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [20.4] (unreleased)
 
+### Added
+- Add solution method to solution of vt object. [#166](https://github.com/greenbone/ospd/pull/166)
+
 ## [2.0.1] (unreleased)
 
 ### Added
diff --git a/doc/OSP.xml b/doc/OSP.xml
index 9d66e9d4..c08de7b0 100644
--- a/doc/OSP.xml
+++ b/doc/OSP.xml
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   <name>Open Scanner Protocol</name>
   <abbreviation>OSP</abbreviation>
   <summary>The Open Scanner Protocol</summary>
-  <version>1.2</version>
+  <version>20.04</version>
 
   <!-- Types. -->
 
@@ -953,6 +953,11 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
                   <summary>Solution type, for example "VendorFix"</summary>
                 <type>string</type>
               </attrib>
+              <attrib>
+                <name>method</name>
+                  <summary>Solution method, for example "DebianAPTUpgrade"</summary>
+                <type>string</type>
+              </attrib>
             </pattern>
           </ele>
           <ele>
@@ -1302,6 +1307,16 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
     <summary>An ovaldef file's content that is base64 encoded</summary>
   </parameter_type>
 
+  <change>
+    <command>GET_VTS</command>
+    <summary>Returned object extended with solution method</summary>
+    <description>
+      The element SOLUTION of the returned VT object has a new optional attribute METHOD
+      that describes the solution method in case the VT offers such a detail.
+    </description>
+    <version>20.04</version>
+  </change>
+
   <change>
     <command>GET_VTS</command>
     <summary>command added</summary>
diff --git a/ospd/ospd.py b/ospd/ospd.py
index 5ab5bf0b..95c6dfc7 100644
--- a/ospd/ospd.py
+++ b/ospd/ospd.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2014-2018 Greenbone Networks GmbH
+# Copyright (C) 2014-2019 Greenbone Networks GmbH
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
@@ -255,6 +255,7 @@ def add_vt(
         insight=None,
         solution=None,
         solution_t=None,
+        solution_m=None,
         detection=None,
         qod_t=None,
         qod_v=None,
@@ -301,6 +302,8 @@ def add_vt(
             vt["solution"] = solution
             if solution_t is not None:
                 vt["solution_type"] = solution_t
+            if solution_m is not None:
+                vt["solution_method"] = solution_m
 
         if detection is not None:
             vt["detection"] = detection
@@ -1420,7 +1423,7 @@ def get_insight_vt_as_xml_str(
 
     @staticmethod
     def get_solution_vt_as_xml_str(
-        vt_id, solution, solution_type=None
+        vt_id, solution, solution_type=None, solution_method=None
     ):  # pylint: disable=unused-argument
         """ Create a string representation of the XML object from the
         solution data object.
@@ -1538,7 +1541,8 @@ def get_vt_xml(self, vt_id):
 
         if vt.get('solution'):
             solution_xml_str = self.get_solution_vt_as_xml_str(
-                vt_id, vt.get('solution'), vt.get('solution_type')
+                vt_id, vt.get('solution'), vt.get('solution_type'),
+                vt.get('solution_method')
             )
             vt_xml.append(secET.fromstring(solution_xml_str))
 
diff --git a/tests/test_scan_and_result.py b/tests/test_scan_and_result.py
index 59647942..1e078de4 100644
--- a/tests/test_scan_and_result.py
+++ b/tests/test_scan_and_result.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2015-2018 Greenbone Networks GmbH
+# Copyright (C) 2015-2019 Greenbone Networks GmbH
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
@@ -136,7 +136,8 @@ def get_insight_vt_as_xml_str(vt_id, insight):
         return response
 
     @staticmethod
-    def get_solution_vt_as_xml_str(vt_id, solution, solution_type=None):
+    def get_solution_vt_as_xml_str(vt_id, solution, solution_type=None,
+        solution_method=None):
         response = '<solution>Some solution</solution>'
 
         return response
@@ -580,6 +581,7 @@ def test_get_vts_vts_with_solution(self):
             custom="b",
             solution="c",
             solution_t="d",
+            solution_m="e",
         )
 
         response = secET.fromstring(