diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4d82ef..ba8343b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 [markdownlint](https://dlaa.me/markdownlint/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.6.1] - 2024-06-25
+
+### Changed in 3.6.1
+
+- In `Dockerfile`, updated FROM instruction to 
+  - `senzing/senzingapi-runtime:3.10.3`
+  - `senzing/base-image-debian:1.0.24`
+
 ## [3.6.0] - 2024-06-24
 
 ### Changed in 3.6.0
diff --git a/Dockerfile b/Dockerfile
index 6efcc1f..a9659c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
-ARG BASE_IMAGE=senzing/senzingapi-runtime:3.10.1
-ARG BASE_BUILDER_IMAGE=senzing/base-image-debian:1.0.23
+ARG BASE_IMAGE=senzing/senzingapi-runtime:3.10.3
+ARG BASE_BUILDER_IMAGE=senzing/base-image-debian:1.0.24
 
 # -----------------------------------------------------------------------------
 # Stage: builder
@@ -9,6 +9,10 @@ FROM ${BASE_BUILDER_IMAGE} as builder
 
 ENV REFRESHED_AT=2024-06-24
 
+# Run as "root" for system installation.
+
+USER root
+
 # Set environment variables.
 
 ENV SENZING_ROOT=/opt/senzing
@@ -43,11 +47,11 @@ RUN export POC_API_SERVER_VERSION=$(mvn "help:evaluate" -Dexpression=project.ver
 
 FROM ${BASE_IMAGE}
 
-ENV REFRESHED_AT=2024-05-22
+ENV REFRESHED_AT=2024-06-24
 
 LABEL Name="senzing/senzing-poc-server" \
   Maintainer="support@senzing.com" \
-  Version="3.6.0"
+  Version="3.6.1"
 
 HEALTHCHECK CMD ["/app/healthcheck.sh"]