diff --git a/tasks/__init__.py b/tasks/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tasks/tailscale.py b/tasks/tailscale.py
index 64839fa..d2939a1 100644
--- a/tasks/tailscale.py
+++ b/tasks/tailscale.py
@@ -1,17 +1,20 @@
+from pyinfra import host
 from pyinfra.api import deploy
+from pyinfra.facts.files import File
 from pyinfra.operations import apt
 from pyinfra.operations import server
 
 
 @deploy
 def deploy_tailscale():
-    server.shell(
-        name="Install tailscale signing key",
-        commands=[
-            "curl -fsSL https://pkgs.tailscale.com/stable/debian/bookworm.noarmor.gpg "
-            "| tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null 2>&1",
-        ],
-    )
+    if not host.get_fact(File, "/usr/share/keyrings/tailscale-archive-keyring.gpg"):
+        server.shell(
+            name="Install tailscale signing key",
+            commands=[
+                "curl -fsSL https://pkgs.tailscale.com/stable/debian/bookworm.noarmor.gpg "
+                "| tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null 2>&1",
+            ],
+        )
     apt.repo(
         name="Add tailscale repository",
         src="deb [signed-by=/usr/share/keyrings/tailscale-archive-keyring.gpg] "