diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index b101657..03df7b8 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -29,6 +29,7 @@ jobs:
           - arm32v6
           - arm32v7
           - arm64v8
+          - i386
           - ppc64le
           - s390x
     runs-on: ubuntu-latest
@@ -92,6 +93,7 @@ jobs:
           - arm32v6
           - arm32v7
           - arm64v8
+          - i386
           - ppc64le
           - s390x
     runs-on: ubuntu-latest
@@ -195,6 +197,7 @@ jobs:
                       arm32v6 \
                       arm32v7 \
                       arm64v8 \
+                      i386 \
                       ppc64le \
                       s390x
           do
@@ -216,6 +219,7 @@ jobs:
                       ${{ steps.docker.outputs.tag }}-arm32v6
                       ${{ steps.docker.outputs.tag }}-arm32v7
                       ${{ steps.docker.outputs.tag }}-arm64v8
+                      ${{ steps.docker.outputs.tag }}-i386
                       ${{ steps.docker.outputs.tag }}-ppc64le
                       ${{ steps.docker.outputs.tag }}-s390x'
                  tags=${{ (startsWith(github.ref, 'refs/tags/')
diff --git a/docker/coturn/CHANGELOG.md b/docker/coturn/CHANGELOG.md
index 20bda48..f5bf9b6 100644
--- a/docker/coturn/CHANGELOG.md
+++ b/docker/coturn/CHANGELOG.md
@@ -4,6 +4,21 @@ Coturn TURN server Docker image changelog
 
 
 
+## [4.6.0-r1] · 2022-11-16
+[4.6.0-r1]: /../../tree/docker/4.6.0-r1
+
+### Added
+
+- Support of `linux/386` platform.
+
+### Security updated
+
+- [Alpine Linux] 3.16.3: <https://github.com/docker-library/official-images/commit/bbdc5719dd50a7d4c112b517b5bd6d7f8d35ceff>
+- [Debian Linux] "bullseye" 20221114: <https://github.com/docker-library/official-images/commit/629455d056a9b046c12d4fa65a1006d4b94b5fa5>
+
+
+
+
 ## [4.6.0-r0] · 2022-08-13
 [4.6.0-r0]: /../../tree/docker/4.6.0-r0
 
diff --git a/docker/coturn/Makefile b/docker/coturn/Makefile
index 994292b..71c8823 100644
--- a/docker/coturn/Makefile
+++ b/docker/coturn/Makefile
@@ -28,7 +28,7 @@ COTURN_VER ?= 4.6.0
 COTURN_MIN_VER = $(strip $(shell echo $(COTURN_VER) | cut -d '.' -f1,2))
 COTURN_MAJ_VER = $(strip $(shell echo $(COTURN_VER) | cut -d '.' -f1))
 
-BUILD_REV ?= 0
+BUILD_REV ?= 1
 
 NAME := coturn
 OWNER := $(or $(GITHUB_REPOSITORY_OWNER),coturn)
diff --git a/docker/coturn/README.md b/docker/coturn/README.md
index f5892e2..2dfb728 100644
--- a/docker/coturn/README.md
+++ b/docker/coturn/README.md
@@ -15,15 +15,15 @@ Coturn TURN server Docker image
 
 ## Supported tags and respective `Dockerfile` links
 
-- [`4.6.0-r0`, `4.6.0-r0-debian`, `4.6.0`, `4.6.0-debian`, `4.6`, `4.6-debian`, `4`, `4-debian`, `debian`, `latest`][d1]
-- [`4.6.0-r0-alpine`, `4.6.0-alpine`, `4.6-alpine`, `4-alpine`, `alpine`][d2]
+- [`4.6.0-r1`, `4.6.0-r1-debian`, `4.6.0`, `4.6.0-debian`, `4.6`, `4.6-debian`, `4`, `4-debian`, `debian`, `latest`][d1]
+- [`4.6.0-r1-alpine`, `4.6.0-alpine`, `4.6-alpine`, `4-alpine`, `alpine`][d2]
 
 
 
 
 ## Supported platforms
 
-- `linux`: `amd64`, `arm32v6`, `arm32v7`, `arm64v8`, `ppc64le`, `s390x`
+- `linux`: `amd64`, `arm32v6`, `arm32v7`, `arm64v8`, `i386`, `ppc64le`, `s390x`