diff --git a/Dockerfile b/Dockerfile
index 54bf189..6c10f30 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,8 +3,13 @@ FROM openjdk:8
 ENV JAR_VERSION 1.1.2
 ENV JAR_DOWNLOAD_URL https://github.com/fabianonline/telegram_backup/releases/download/${JAR_VERSION}/telegram_backup.jar
 
-RUN apt-get update -y && apt-get install -y curl && \
+RUN apt-get update -y && \
+	apt-get install --no-install-recommends -y curl && \
     curl -L "https://github.com/Yelp/dumb-init/releases/download/v1.1.3/dumb-init_1.1.3_amd64" -o /bin/dumb-init && \
-    curl -L $JAR_DOWNLOAD_URL -o telegram_backup.jar && mkdir /data/ && chmod +x /bin/dumb-init
+    curl -L $JAR_DOWNLOAD_URL -o telegram_backup.jar && mkdir /data/ && \
+    chmod +x /bin/dumb-init && \
+    apt-get remove -y curl && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/apt/lists/*
 
 ENTRYPOINT ["/bin/dumb-init", "--", "java", "-jar", "telegram_backup.jar", "--target", "/data/"]