diff --git a/docker/coturn/CHANGELOG.md b/docker/coturn/CHANGELOG.md
index 76d435cb..a8a16606 100644
--- a/docker/coturn/CHANGELOG.md
+++ b/docker/coturn/CHANGELOG.md
@@ -4,6 +4,16 @@ Coturn TURN server Docker image changelog
 
 
 
+## [4.5.2-r11] · 2022-04-06
+[4.5.2-r11]: /../../tree/docker/4.5.2-r11
+
+### Security updated
+
+- [Alpine Linux] 3.15.4: <https://github.com/docker-library/official-images/commit/1c3c904f7310fa85d2efad018596cc040e00c018>
+
+
+
+
 ## [4.5.2-r10] · 2022-03-29
 [4.5.2-r10]: /../../tree/docker/4.5.2-r10
 
diff --git a/docker/coturn/Makefile b/docker/coturn/Makefile
index b631b9b3..03463c59 100644
--- a/docker/coturn/Makefile
+++ b/docker/coturn/Makefile
@@ -21,7 +21,7 @@ COTURN_VER ?= 4.5.2
 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 ?= 10
+BUILD_REV ?= 11
 
 NAMESPACES := coturn \
               ghcr.io/coturn \
diff --git a/docker/coturn/README.md b/docker/coturn/README.md
index 2e3ae86a..fbf75064 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
 
-- [`4.5.2-r10`, `4.5.2-r10-debian`, `4.5.2`, `4.5.2-debian`, `4.5`, `4.5-debian`, `4`, `4-debian`, `debian`, `latest`][d1]
-- [`4.5.2-r10-alpine`, `4.5.2-alpine`, `4.5-alpine`, `4-alpine`, `alpine`][d2]
+- [`4.5.2-r11`, `4.5.2-r11-debian`, `4.5.2`, `4.5.2-debian`, `4.5`, `4.5-debian`, `4`, `4-debian`, `debian`, `latest`][d1]
+- [`4.5.2-r11-alpine`, `4.5.2-alpine`, `4.5-alpine`, `4-alpine`, `alpine`][d2]