diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0181c07d..c3e3c386 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Possiblity to define patches templates with variables to replace (#128).
 - web: Report fatbuildr version in footer of fatbuildrweb HTML pages (#108).
 - conf: Add `containerized` parameter in `[format:osi]` section.
+- pkgs: Add patch to define upstream version at build time.
 - docs:
   - Mention `containerized` parameter in `[format:osi]` section of system
     configuration.
diff --git a/pkgs/fatbuildr/patches/generic/0003-replace-version b/pkgs/fatbuildr/patches/generic/0003-replace-version
new file mode 100644
index 00000000..92b8f461
--- /dev/null
+++ b/pkgs/fatbuildr/patches/generic/0003-replace-version
@@ -0,0 +1,16 @@
+Description: replace the software hard-coded version number with the
+Last-Update: 2023-07-25
+Template: yes
+Author: Rémi Palancher <remi@rackslab.io>
+
+
+diff --git a/fatbuildr/version.py b/fatbuildr/version.py
+index b5d3800..db13aee 100644
+--- a/fatbuildr/version.py
++++ b/fatbuildr/version.py
+@@ -17,4 +17,4 @@
+ # You should have received a copy of the GNU General Public License
+ # along with Fatbuildr.  If not, see <https://www.gnu.org/licenses/>.
+ 
+-__version__ = '2.0.0'
++__version__ = '{{ version.main }}'