diff --git a/Dockerfile b/Dockerfile
index 1b31204..7d4a0ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -46,8 +46,11 @@ RUN yarn build
 
 # Runner
 FROM node:18-alpine3.18
-ENV LANG cs_CZ.UTF-8
-ENV NODE_ENV production
+
+RUN apk add --no-cache tzdata
+ENV TZ=Europe/Prague \
+    LANG=cs_CZ.UTF-8 \
+    NODE_ENV=production
 
 WORKDIR /app
 
diff --git a/Dockerfile-Woodpecker b/Dockerfile-Woodpecker
index ede44bc..b638be0 100644
--- a/Dockerfile-Woodpecker
+++ b/Dockerfile-Woodpecker
@@ -1,6 +1,9 @@
 FROM node:18-alpine3.18
-ENV LANG=cs_CZ.UTF-8
-ENV NODE_ENV=production
+
+RUN apk add --no-cache tzdata
+ENV TZ=Europe/Prague \
+    LANG=cs_CZ.UTF-8 \
+    NODE_ENV=production
 
 WORKDIR /app