diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a27831..49a5829 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,15 @@
 
 All notable changes to this project will be documented in this file.
 
-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).
+The format is based on [Keep a Changelog], [markdownlint],
+and this project adheres to [Semantic Versioning].
+
+## [3.12.0] - 2024-09-25
+
+### Changed in 3.12.0
+
+- Updated Dockerfile FROM to `senzing/senzingapi-runtime:3.12.0`
+- Updated to SENZING_APT_INSTALL_TOOLS_PACKAGE="senzingapi-tools=3.12.0-24261"
 
 ## [3.10.3] - 2024-06-24
 
@@ -140,3 +146,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed in 3.1.0
 
 - Initial version
+
+[Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
+[markdownlint]: https://dlaa.me/markdownlint/
+[Semantic Versioning]: https://semver.org/spec/v2.0.0.html
diff --git a/Dockerfile b/Dockerfile
index 25f6865..f9d1df2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
-ARG BASE_IMAGE=senzing/senzingapi-runtime:3.10.3
+ARG BASE_IMAGE=senzing/senzingapi-runtime:3.12.0
 
 # Create the runtime image.
 
 ARG SENZING_ACCEPT_EULA="I_ACCEPT_THE_SENZING_EULA"
-ARG SENZING_APT_INSTALL_TOOLS_PACKAGE="senzingapi-tools=3.10.3-24163"
+ARG SENZING_APT_INSTALL_TOOLS_PACKAGE="senzingapi-tools=3.12.0-24261"
 
 # -----------------------------------------------------------------------------
 # Stage: builder
@@ -11,7 +11,7 @@ ARG SENZING_APT_INSTALL_TOOLS_PACKAGE="senzingapi-tools=3.10.3-24163"
 
 FROM ${BASE_IMAGE} AS builder
 
-ENV REFRESHED_AT=2024-06-24
+ENV REFRESHED_AT=2024-09-26
 
 # Run as "root" for system installation.
 
@@ -48,7 +48,7 @@ RUN pip3 install --upgrade pip \
 
 FROM ${BASE_IMAGE} AS runner
 
-ENV REFRESHED_AT=2024-06-24
+ENV REFRESHED_AT=2024-09-26
 
 ARG SENZING_ACCEPT_EULA
 ARG SENZING_APT_INSTALL_TOOLS_PACKAGE
@@ -58,7 +58,7 @@ ENV SENZING_ACCEPT_EULA=${SENZING_ACCEPT_EULA} \
 
 LABEL Name="senzing/senzingapi-tools" \
   Maintainer="support@senzing.com" \
-  Version="3.10.3"
+  Version="3.12.0"
 
 # Run as "root" for system installation.