diff --git a/src/emailservice/Dockerfile b/src/emailservice/Dockerfile
index 5313b9373e..bbad2f2210 100644
--- a/src/emailservice/Dockerfile
+++ b/src/emailservice/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM ruby:3.1.2-alpine as base
+FROM ruby:3.3.6-alpine as base
 
 FROM base as builder