diff --git a/hash/Dockerfile b/hash/Dockerfile
index 1993834..8680e17 100644
--- a/hash/Dockerfile
+++ b/hash/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.2
+FROM alpine:3.18.3
 
 # hadolint ignore=DL3018
 RUN apk --update --no-cache add apache2-utils argon2 coreutils openssl perl-archive-zip perl-utils \