diff --git a/docker/Dockerfile b/docker/Dockerfile
index 3d9323fdd..900c9e741 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM crystallang/crystal:1.12.1-alpine AS builder
+FROM crystallang/crystal:1.12.2-alpine AS builder
 
 RUN apk add --no-cache sqlite-static yaml-static
 
@@ -32,8 +32,8 @@ RUN if [[ "${release}" == 1 ]] ; then \
         --link-flags "-lxml2 -llzma"; \
     fi
 
-FROM alpine:3.18
-RUN apk add --no-cache rsvg-convert ttf-opensans tini
+FROM alpine:3.20
+RUN apk add --no-cache rsvg-convert ttf-opensans tini tzdata
 WORKDIR /invidious
 RUN addgroup -g 1000 -S invidious && \
     adduser -u 1000 -S invidious -G invidious
diff --git a/docker/Dockerfile.arm64 b/docker/Dockerfile.arm64
index f054b326f..ce9bab083 100644
--- a/docker/Dockerfile.arm64
+++ b/docker/Dockerfile.arm64
@@ -1,5 +1,6 @@
-FROM alpine:3.19 AS builder
-RUN apk add --no-cache 'crystal=1.10.1-r0' shards sqlite-static yaml-static yaml-dev libxml2-static zlib-static openssl-libs-static openssl-dev musl-dev xz-static
+FROM alpine:3.20 AS builder
+RUN apk add --no-cache 'crystal=1.12.2-r0' shards sqlite-static yaml-static yaml-dev libxml2-static \
+       zlib-static openssl-libs-static openssl-dev musl-dev xz-static
 
 ARG release
 
@@ -32,8 +33,8 @@ RUN if [[ "${release}" == 1 ]] ; then \
         --link-flags "-lxml2 -llzma"; \
     fi
 
-FROM alpine:3.18
-RUN apk add --no-cache rsvg-convert ttf-opensans tini
+FROM alpine:3.20
+RUN apk add --no-cache rsvg-convert ttf-opensans tini tzdata
 WORKDIR /invidious
 RUN addgroup -g 1000 -S invidious && \
     adduser -u 1000 -S invidious -G invidious