diff --git a/Dockerfile b/Dockerfile
index dc8fd1e..f4f39eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM tailscale/tailscale:v1.64.2@sha256:7ee2ab4b9efadc5a68c92fb4549206eedac240a758f61b5431e39e8c0806930d
+FROM tailscale/tailscale:v1.66.4@sha256:8c80cf92bfbc6938d05826b1aee899e629b231cecf7921bd1d72a4150e71e3f3
 
 COPY entrypoint.sh /entrypoint.sh
 
diff --git a/balena.yml b/balena.yml
index 7263f2b..b7757d8 100644
--- a/balena.yml
+++ b/balena.yml
@@ -1,6 +1,6 @@
 name: tailscale
 description: Run a Tailscale subnet router on balena!
-version: 1.64.2
+version: 1.66.4
 type: sw.block
 assets:
   repository: