diff --git a/doc/source/installation.md b/doc/source/installation.md
index 3491867..74dfe8e 100644
--- a/doc/source/installation.md
+++ b/doc/source/installation.md
@@ -109,8 +109,8 @@ To make the service persistent, create a systemd unit file
 [Unit]
 Description=atextcrawler web crawler
 Documentation=https://gitea.multiname.org/a-text/atextcrawler
-Requires=network.target
-After=network-online.target
+Requires=network.target elasticsearch.service tensorflow.service
+After=network-online.target elasticsearch.service tensorflow.service
 
 [Service]
 Type=simple