diff --git a/Dockerfile b/Dockerfile
index 7759303..695cc98 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.13.2
+FROM docker.io/alpine:3.13.3
 
 ARG TOR_PACKAGE_VERSION=0.4.4.7-r1
 RUN apk add --no-cache tor=$TOR_PACKAGE_VERSION