diff --git a/comanage-registry-slapd-base/Dockerfile b/comanage-registry-slapd-base/Dockerfile
index adb6e08..4a5a93b 100644
--- a/comanage-registry-slapd-base/Dockerfile
+++ b/comanage-registry-slapd-base/Dockerfile
@@ -16,7 +16,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM debian:10.10
+FROM debian:11
 
 RUN apt-get update \
     && DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y \
diff --git a/comanage-registry-slapd-proxy/Dockerfile b/comanage-registry-slapd-proxy/Dockerfile
index 243483c..4666de1 100644
--- a/comanage-registry-slapd-proxy/Dockerfile
+++ b/comanage-registry-slapd-proxy/Dockerfile
@@ -16,7 +16,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-ARG COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION=5
+ARG COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION=7
 FROM comanage-registry-slapd-base:${COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION}
 
 ARG COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION
diff --git a/comanage-registry-slapd/Dockerfile b/comanage-registry-slapd/Dockerfile
index 9e7699c..8c036b3 100644
--- a/comanage-registry-slapd/Dockerfile
+++ b/comanage-registry-slapd/Dockerfile
@@ -16,7 +16,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-ARG COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION=5
+ARG COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION=7
 FROM comanage-registry-slapd-base:${COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION}
 
 ARG COMANAGE_REGISTRY_SLAPD_BASE_IMAGE_VERSION