diff --git a/Dockerfile b/Dockerfile
index e059f72..d432831 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.4
+FROM alpine:3.18.5
 
 ARG BUILD_DATE
 
@@ -14,9 +14,7 @@ LABEL org.opencontainers.image.vendor="Gérczei Tamás"
 ADD https://git.gerczei.eu/api/packages/tgerczei/alpine/key /etc/apk/keys/tgerczei@a6d5511b4c93844ff5ab30b8c04ded788463887b193bbd12d1410ef81967ed84.rsa.pub
 
 # using a community package re-built locally via apkbuild with MySQL support
-RUN     apk update && \
-        apk upgrade --no-cache && \
-        apk add --repository https://git.gerczei.eu/api/packages/tgerczei/alpine/v3.18/gitea-alpine --no-cache \
+RUN     apk add --repository https://git.gerczei.eu/api/packages/tgerczei/alpine/v3.18/gitea-alpine --no-cache \
                 git-lfs=3.3.0-r6 \
                 openssh-keygen=9.3_p2-r0 \
                 bash=5.2.15-r5 \