diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f46ca5a..63cd3c04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # NVIDIA Container Toolkit Changelog
 
+## v1.15.0-rc4
+* [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 a2e0b248..764569f7 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 (~).