diff --git a/3.12/alpine/Dockerfile b/3.12/alpine/Dockerfile
index db6e0cc..89b5b1c 100644
--- a/3.12/alpine/Dockerfile
+++ b/3.12/alpine/Dockerfile
@@ -230,7 +230,7 @@ RUN set -eux; \
 		tzdata
 
 # Use the latest stable RabbitMQ release (https://www.rabbitmq.com/download.html)
-ENV RABBITMQ_VERSION 3.12.2
+ENV RABBITMQ_VERSION 3.12.3
 # https://www.rabbitmq.com/signatures.html#importing-gpg
 ENV RABBITMQ_PGP_KEY_ID="0x0A9AF2115F4687BD29803A206B73A36E6026DFCA"
 ENV RABBITMQ_HOME=/opt/rabbitmq
diff --git a/3.12/ubuntu/Dockerfile b/3.12/ubuntu/Dockerfile
index 4aadcb3..faedfe1 100644
--- a/3.12/ubuntu/Dockerfile
+++ b/3.12/ubuntu/Dockerfile
@@ -211,7 +211,7 @@ RUN set -eux; \
 	ln -sf "$RABBITMQ_DATA_DIR/.erlang.cookie" /root/.erlang.cookie
 
 # Use the latest stable RabbitMQ release (https://www.rabbitmq.com/download.html)
-ENV RABBITMQ_VERSION 3.12.2
+ENV RABBITMQ_VERSION 3.12.3
 # https://www.rabbitmq.com/signatures.html#importing-gpg
 ENV RABBITMQ_PGP_KEY_ID="0x0A9AF2115F4687BD29803A206B73A36E6026DFCA"
 ENV RABBITMQ_HOME=/opt/rabbitmq
diff --git a/versions.json b/versions.json
index 71eedfd..8cacd04 100644
--- a/versions.json
+++ b/versions.json
@@ -50,7 +50,7 @@
     "ubuntu": {
       "version": "22.04"
     },
-    "version": "3.12.2"
+    "version": "3.12.3"
   },
   "3.12-rc": null,
   "3.13-rc": {