diff --git a/Dockerfile.openjdk17 b/Dockerfile.openjdk17
index 120a085..b790476 100644
--- a/Dockerfile.openjdk17
+++ b/Dockerfile.openjdk17
@@ -54,7 +54,7 @@ ENV CATALINA_BASE="/usr/share/tomcat"
 ENV PATH="/usr/share/tomcat/bin:$PATH"
 
 CMD ["/usr/libexec/tomcat/server", "start"]
-EXPOSE 8080
+EXPOSE 8080/tcp
 RUN set -euo pipefail; mkdir -p /var/log/tomcat; chown --recursive tomcat:tomcat /var/log/tomcat
 RUN set -euo pipefail; ln -s /usr/share/tomcat /usr/local/tomcat
 RUN set -euo pipefail; \
diff --git a/Dockerfile.openjdk21 b/Dockerfile.openjdk21
index 14a45f5..c994daf 100644
--- a/Dockerfile.openjdk21
+++ b/Dockerfile.openjdk21
@@ -54,7 +54,7 @@ ENV CATALINA_BASE="/usr/share/tomcat"
 ENV PATH="/usr/share/tomcat/bin:$PATH"
 
 CMD ["/usr/libexec/tomcat/server", "start"]
-EXPOSE 8080
+EXPOSE 8080/tcp
 RUN set -euo pipefail; mkdir -p /var/log/tomcat; chown --recursive tomcat:tomcat /var/log/tomcat
 RUN set -euo pipefail; ln -s /usr/share/tomcat /usr/local/tomcat
 RUN set -euo pipefail; \
diff --git a/Dockerfile.openjdk23 b/Dockerfile.openjdk23
index 721d16b..ebbb9e6 100644
--- a/Dockerfile.openjdk23
+++ b/Dockerfile.openjdk23
@@ -54,7 +54,7 @@ ENV CATALINA_BASE="/usr/share/tomcat"
 ENV PATH="/usr/share/tomcat/bin:$PATH"
 
 CMD ["/usr/libexec/tomcat/server", "start"]
-EXPOSE 8080
+EXPOSE 8080/tcp
 RUN set -euo pipefail; mkdir -p /var/log/tomcat; chown --recursive tomcat:tomcat /var/log/tomcat
 RUN set -euo pipefail; ln -s /usr/share/tomcat /usr/local/tomcat
 RUN set -euo pipefail; \
diff --git a/apache-tomcat-10-image.changes b/apache-tomcat-10-image.changes
index 4eff9ce..c0e84ed 100644
--- a/apache-tomcat-10-image.changes
+++ b/apache-tomcat-10-image.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Oct 30 18:28:27 UTC 2024 - SUSE Update Bot <bci-internal@suse.de>
+
+- be explicit in protocol for expose statement
+
 -------------------------------------------------------------------
 Wed Oct 30 15:34:45 UTC 2024 - SUSE Update Bot <bci-internal@suse.de>