diff --git a/docker/tailscale/docker-compose.yml b/docker/tailscale/docker-compose.yml
index e139f18..f0d25e1 100644
--- a/docker/tailscale/docker-compose.yml
+++ b/docker/tailscale/docker-compose.yml
@@ -1,7 +1,7 @@
 ---
 services:
   tailscale:
-    image: tailscale/tailscale:v1.94.2
+    image: tailscale/tailscale:v1.92.5
     hostname: tailscale
     environment:
       TS_AUTHKEY: ${TS_AUTHKEY}
diff --git a/k8s/argo-apps/authentik.yaml b/k8s/argo-apps/authentik.yaml
index fc44e71..b046a8b 100644
--- a/k8s/argo-apps/authentik.yaml
+++ b/k8s/argo-apps/authentik.yaml
@@ -12,7 +12,7 @@ spec:
   sources:
     - chart: authentik
       repoURL: https://charts.goauthentik.io/
-      targetRevision: 2026.2.*
+      targetRevision: 2025.12.*
       helm:
         valuesObject:
           authentik:
diff --git a/k8s/argo-apps/portainer.yaml b/k8s/argo-apps/portainer.yaml
index b2f201b..69ad625 100644
--- a/k8s/argo-apps/portainer.yaml
+++ b/k8s/argo-apps/portainer.yaml
@@ -15,7 +15,7 @@ spec:
   sources:
     - repoURL: https://portainer.github.io/k8s/
       chart: portainer
-      targetRevision: 2.39.*
+      targetRevision: 2.33.*
       helm:
         valuesObject:
           service:
diff --git a/k8s/argo-apps/renovate.yaml b/k8s/argo-apps/renovate.yaml
index 94a07dd..e14fc6b 100644
--- a/k8s/argo-apps/renovate.yaml
+++ b/k8s/argo-apps/renovate.yaml
@@ -13,7 +13,7 @@ spec:
   sources:
     - chart: renovate
       repoURL: https://docs.renovatebot.com/helm-charts
-      targetRevision: 46.45.*
+      targetRevision: 46.44.*
       helm:
         valuesObject:
           renovate: