diff --git a/requirements.txt b/requirements.txt
index 72350fa..d671452 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,10 +2,11 @@ certifi==2022.12.7
 charset-normalizer==3.1.0
 cloudscale-sdk==0.7.0
 cs==3.2.0
-hcloud==1.23.1
+hcloud==1.26.0
 idna==3.4
 jsonpickle==3.0.1
 proxmoxer==1.3.1
+python-dateutil==2.8.2
 python-digitalocean==1.17.0
 python-dotenv==1.0.0
 python-json-logger==2.0.7
@@ -13,5 +14,6 @@ pytz==2023.3
 pyyaml==6.0
 requests==2.31.0
 schedule==1.2.0
+six==1.16.0
 urllib3==1.26.15
 xdg==6.0.0