diff --git a/daemon/Dockerfile b/daemon/Dockerfile
index 4ed1f3a1c73e4caa14e3f5fbec71bcb13d699209..c90beab11b78398c804963a12b039ff759a4c618 100644
--- a/daemon/Dockerfile
+++ b/daemon/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16
+FROM alpine:3.18
 # hadolint ignore=DL3018
 RUN apk add --update --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/ \
         gosu \
diff --git a/rss/Dockerfile b/rss/Dockerfile
index 5fb9227c5108c475c3df53738d45304d1c06e095..25f9d0f4465d8fdaa348ac84f9bcf9449ecc7fab 100644
--- a/rss/Dockerfile
+++ b/rss/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/ruby:3.1-slim
+FROM docker.io/library/ruby:3.2-slim
 # hadolint ignore=DL3008
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
@@ -6,7 +6,7 @@ RUN apt-get update && \
         gosu \
     && \
     gem install \
-        transmission-rss:1.2.2 \
+        transmission-rss:1.2.3 \
     && \
     DEBIAN_FRONTEND=noninteractive apt-get purge -y --auto-remove \
         build-essential \