diff --git a/mpd/Dockerfile b/mpd/Dockerfile
index e247345..a77bd2f 100644
--- a/mpd/Dockerfile
+++ b/mpd/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15
+FROM alpine:3.16
 
 RUN mkdir -p /var/lib/mpd && \
     addgroup --gid 10001 mpd && \
@@ -14,54 +14,3 @@ RUN mkdir -p /var/lib/mpd && \
 
 USER mpd
 CMD ["/usr/bin/mpd", "--no-daemon"]
-
-
-#RUN apk add --no-cache --virtual .build-deps \
-#        curl \
-#        cmake \
-#        make \
-#        gcc \
-#        g++ \
-#        musl-dev \
-#        curl-dev \
-#        automake \
-#        autoconf \
-#        libtool && \
-#    mkdir -p /usr/local/src && \
-#    curl -L \
-#        --output "/usr/local/src/transmission-${VER}.tar.xz" \
-#        "https://github.com/transmission/transmission-releases/raw/master/transmission-${VER}.tar.xz" && \
-#    tar -xf "/usr/local/src/tranmission-${VER}.tar.xz" -C /usr/local/src && \
-#    mkdir -p /usr/local/src/transmission/build && \
-#    cd /usr/local/src/transmission/build && \
-#    cmake .. && \
-#    make && \
-#    make install && \
-#    cd / && \
-#    rm -r /usr/local/src && \
-#    apk del .build-deps && \
-#    apk add --no-cache curl
-
-#RUN addgroup \
-#        --gid 10001 \
-#        transmission && \
-#    adduser \
-#        --uid 10000 \
-#        --home /var/lib/transmission \
-#        --ingroup transmission \
-#        --disabled-password \
-#        --shell /sbin/nologin \
-#        transmission && \
-#    mkdir -p \
-#        /var/lib/transmission/blocklists \
-#        /var/lib/transmission/downloads \
-#        /var/lib/transmission/incomplete \
-#        /var/lib/transmission/resume \
-#        /var/lib/transmission/torrents && \
-#    chown -R transmission:transmission /var/lib/transmission
-
-#ENV TRANSMISSION_HOME /var/lib/transmission
-#USER transmission
-#WORKDIR /var/lib/transmission
-
-#CMD ["/usr/local/bin/transmission-daemon", "--foreground"]
diff --git a/rainloop/Dockerfile b/rainloop/Dockerfile
index 6ec419f..733aa60 100644
--- a/rainloop/Dockerfile
+++ b/rainloop/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.16
 
 RUN apk add --no-cache \
         nginx \
diff --git a/webdav/Dockerfile b/webdav/Dockerfile
index cfb72a7..28e2f51 100644
--- a/webdav/Dockerfile
+++ b/webdav/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15
+FROM alpine:3.16
 
 RUN apk add --no-cache nginx nginx-mod-http-dav-ext
 COPY nginx.conf /etc/nginx/nginx.conf