diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9053968b..d917b0a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # NVIDIA Container Toolkit Changelog
 
+## v1.15.0-rc.4
 * Add a `--spec-dir` option to the `nvidia-ctk cdi generate` command. This allows specs outside of `/etc/cdi` and `/var/run/cdi` to be processed.
 * Add support for extracting device major number from `/proc/devices` if `nvidia` is used as a device name over `nvidia-frontend`.
 * Allow multiple device naming strategies for `nvidia-ctk cdi generate` command. This allows a single
@@ -9,6 +10,7 @@
 * Add `NVIDIA_VISIBLE_DEVICES=void` to generated CDI specifications.
 
 * [toolkit-container] Remove centos7 image. The ubi8 image can be used on all RPM-based platforms.
+* [toolkit-container] Bump CUDA base image version to 12.3.2
 
 ## v1.15.0-rc.3
 * Fix bug in `nvidia-ctk hook update-ldcache` where default `--ldconfig-path` value was not applied.
diff --git a/versions.mk b/versions.mk
index a624a421..8a3872e7 100644
--- a/versions.mk
+++ b/versions.mk
@@ -14,7 +14,7 @@
 
 LIB_NAME := nvidia-container-toolkit
 LIB_VERSION := 1.15.0
-LIB_TAG := rc.3
+LIB_TAG := rc.4
 
 # The package version is the combination of the library version and tag.
 # If the tag is specified the two components are joined with a tilde (~).
@@ -27,7 +27,7 @@ PACKAGE_REVISION := 1
 NVIDIA_DOCKER_VERSION := 2.14.0
 NVIDIA_CONTAINER_RUNTIME_VERSION := 3.14.0
 
-CUDA_VERSION := 12.3.1
+CUDA_VERSION := 12.3.2
 GOLANG_VERSION := 1.20.5
 
 BUILDIMAGE_TAG ?= devel-go$(GOLANG_VERSION)