diff --git a/Dockerfile b/Dockerfile
index c125297..f9a8ead 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ RUN CGO_ENABLED=0 go build -ldflags '-w -s -extldflags "-static"' -o /healthchec
 #
 
 # image used to copy our official nginx binaries
-FROM nginx:1.19.3 AS base
+FROM nginx:1.19.4 AS base
 
 # create empty index page
 RUN echo 'Hello world' > /index.html