diff --git a/pkgs/servers/tailscale/default.nix b/pkgs/servers/tailscale/default.nix
index 787a69d4b90f..d97cbeceb8ae 100644
--- a/pkgs/servers/tailscale/default.nix
+++ b/pkgs/servers/tailscale/default.nix
@@ -12,7 +12,7 @@
 }:
 
 let
-  version = "1.66.1";
+  version = "1.66.3";
 in
 buildGoModule {
   pname = "tailscale";
@@ -22,7 +22,7 @@ buildGoModule {
     owner = "tailscale";
     repo = "tailscale";
     rev = "v${version}";
-    hash = "sha256-1Yt8W/UanAghaElGiD+z7BKeV/Ge+OElA+B9yBnu3vw=";
+    hash = "sha256-dFyXOoN4YZfN3G1XfHK1/8M1ROwW9Q9eCl/NjTdfD4Q=";
   };
   vendorHash = "sha256-Hd77xy8stw0Y6sfk3/ItqRIbM/349M/4uf0iNy1xJGw=";