diff --git a/docker/coturn/Dockerfile b/docker/coturn/Dockerfile
index 3dbd306..0509354 100644
--- a/docker/coturn/Dockerfile
+++ b/docker/coturn/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.14
 
 RUN apk add --no-cache coturn