diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1ffc28c..0200886 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #######################################################################################
-certifi==2025.8.3
+certifi==2025.10.5
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v18.0
     #   requests