diff --git a/opentofu/modules/vultr/block_storage/main.tofu b/opentofu/modules/vultr/block_storage/main.tofu
index 646db9a..bf2b596 100644
--- a/opentofu/modules/vultr/block_storage/main.tofu
+++ b/opentofu/modules/vultr/block_storage/main.tofu
@@ -33,7 +33,8 @@ resource "vultr_block_storage" "this" {
 # This null_resource uses the Vultr CLI to handle attachment.
 # It inherits VULTR_API_KEY from the environment (set via TF_VAR_vultr_api_key in CI).
 resource "null_resource" "attach_block_storage" {
-  count = var.mount_instance_id != null ? 1 : 0
+  # Note: count removed because it cannot depend on values unknown at plan time
+  # (instance_id is unknown when instance is being recreated)
 
   triggers = {
     instance_id      = var.mount_instance_id
diff --git a/opentofu/modules/vultr/instance/userdata/ghost.bu b/opentofu/modules/vultr/instance/userdata/ghost.bu
index 99351cc..d2434d2 100644
--- a/opentofu/modules/vultr/instance/userdata/ghost.bu
+++ b/opentofu/modules/vultr/instance/userdata/ghost.bu
@@ -69,12 +69,12 @@ storage:
     #
     # Note: Auto-updates are enabled via systemd-sysupdate (see dropin below)
     # ==========================================================================
-    - path: /opt/extensions/tailscale/tailscale-v1.88.3-x86-64.raw
+    - path: /opt/extensions/tailscale/tailscale-v1.94.1-x86-64.raw
       mode: 0644
       contents:
-        source: https://extensions.flatcar.org/extensions/tailscale-v1.88.3-x86-64.raw
+        source: https://extensions.flatcar.org/extensions/tailscale-v1.94.1-x86-64.raw
         verification:
-          hash: sha256-27caa1ce3012a1a7721157550247dc0828669638a06ac44d62baee0b1b4d6541
+          hash: sha256-4fac074559d01328d0c59e030170821d22332a3ebd19087c135959f11feafaa1
 
     - path: /etc/sysupdate.tailscale.d/tailscale.conf
       contents:
@@ -91,7 +91,7 @@ storage:
       hard: false
 
     # Symlink must be updated when changing Tailscale version (path above)
-    - target: /opt/extensions/tailscale/tailscale-v1.88.3-x86-64.raw
+    - target: /opt/extensions/tailscale/tailscale-v1.94.1-x86-64.raw
       path: /etc/extensions/tailscale.raw
       hard: false