diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index e26fdd8d8..6e86d3b51 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,3 +1,4 @@
+[cygnus-ngsi] Upgrade Debian version from 11.3 to 11.6 in Dockerfile
 [cygnus-ngsi] Update NameMapping compile log mensage from WARN to ERROR
 [cygnus-common] MongoDB indexes are created depending on DM (#2204)
 [cygnus-common] Upgrade postgresql from 42.4.1 to 42.4.3
diff --git a/docker/cygnus-ngsi/Dockerfile b/docker/cygnus-ngsi/Dockerfile
index 0b2e16789..32ebfd9f0 100644
--- a/docker/cygnus-ngsi/Dockerfile
+++ b/docker/cygnus-ngsi/Dockerfile
@@ -16,7 +16,7 @@
 # For those usages not covered by the GNU Affero General Public License please contact with iot_support at tid dot es
 #
 
-FROM debian:11.3-slim
+FROM debian:11.6-slim
 ARG GITHUB_ACCOUNT=telefonicaid
 ARG GITHUB_REPOSITORY=fiware-cygnus