diff --git a/container/shibboleth-sp-base/Dockerfile b/container/shibboleth-sp-base/Dockerfile
index 5a6c2fb54..58825c7d1 100644
--- a/container/shibboleth-sp-base/Dockerfile
+++ b/container/shibboleth-sp-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:11-slim
+FROM debian:bookworm-slim
 
 ARG LOG4SHIB_VERSION
 ENV LOG4SHIB_VERSION=${LOG4SHIB_VERSION:-2.0.1}
@@ -47,7 +47,7 @@ RUN apt-get update \
             libboost-dev \
             libcurl4-openssl-dev \
             libssl-dev \
-            libssl1.1 \
+            libssl3 \
             make \
             pkg-config \
             wget \