diff --git a/docker/coturn/CHANGELOG.md b/docker/coturn/CHANGELOG.md
index d02d1d42..8f9e1a95 100644
--- a/docker/coturn/CHANGELOG.md
+++ b/docker/coturn/CHANGELOG.md
@@ -4,6 +4,16 @@ Coturn TURN server Docker image changelog
 
 
 
+## [4.6.3-r2] · 2025-01-09
+[4.6.3-r2]: /../../tree/docker/4.6.3-r2
+
+### Security updated
+
+- [Alpine Linux] 3.21.2: <https://github.com/docker-library/official-images/commit/824cefde693b820f783266fda449588ca583a1b0>
+
+
+
+
 ## [4.6.3-r1] · 2025-01-08
 [4.6.3-r1]: /../../tree/docker/4.6.3-r1
 
diff --git a/docker/coturn/Makefile b/docker/coturn/Makefile
index 59565583..e46f3217 100644
--- a/docker/coturn/Makefile
+++ b/docker/coturn/Makefile
@@ -34,7 +34,7 @@ ALPINE_VER := alpine$(strip $(shell grep -m1 'alpine_ver=' alpine/Dockerfile \
 DEBIAN_VER := $(strip $(shell grep -m1 'debian_ver=' debian/Dockerfile \
                               | cut -d '=' -f2))
 
-BUILD_REV ?= 1
+BUILD_REV ?= 2
 
 NAME := coturn
 OWNER := $(or $(GITHUB_REPOSITORY_OWNER),coturn)
diff --git a/docker/coturn/README.md b/docker/coturn/README.md
index ebe23234..1d117f8c 100644
--- a/docker/coturn/README.md
+++ b/docker/coturn/README.md
@@ -15,8 +15,8 @@ Coturn TURN server Docker image
 
 ## Supported tags and respective `Dockerfile` links
 
-- [`4.6.3-r1`, `4.6.3-r1-debian`, `4.6.3`, `4.6.3-debian`, `4.6.3-bookworm`, `4.6`, `4.6-debian`, `4.6-bookworm`, `4`, `4-debian`, `4-bookworm`, `debian`, `bookworm`, `latest`][d1]
-- [`4.6.3-r1-alpine`, `4.6.3-alpine`, `4.6.3-alpine3.21`, `4.6-alpine`, `4.6-alpine3.21`, `4-alpine`, `4-alpine3.21`, `alpine`, `alpine3.21`][d2]
+- [`4.6.3-r2`, `4.6.3-r2-debian`, `4.6.3`, `4.6.3-debian`, `4.6.3-bookworm`, `4.6`, `4.6-debian`, `4.6-bookworm`, `4`, `4-debian`, `4-bookworm`, `debian`, `bookworm`, `latest`][d1]
+- [`4.6.3-r2-alpine`, `4.6.3-alpine`, `4.6.3-alpine3.21`, `4.6-alpine`, `4.6-alpine3.21`, `4-alpine`, `4-alpine3.21`, `alpine`, `alpine3.21`][d2]