diff --git a/flake.lock b/flake.lock
index 3de9f99f55..8f18766cd4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1763283776,
-        "narHash": "sha256-Y7TDFPK4GlqrKrivOcsHG8xSGqQx3A6c+i7novT85Uk=",
+        "lastModified": 1763966396,
+        "narHash": "sha256-6eeL1YPcY1MV3DDStIDIdy/zZCDKgHdkCmsrLJFiZf0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "50a96edd8d0db6cc8db57dab6bb6d6ee1f3dc49a",
+        "rev": "5ae3b07d8d6527c42f17c876e404993199144b6a",
         "type": "github"
       },
       "original": {
@@ -48,11 +48,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1763347184,
-        "narHash": "sha256-6QH8hpCYJxifvyHEYg+Da0BotUn03BwLIvYo3JAxuqQ=",
+        "lastModified": 1764124769,
+        "narHash": "sha256-vcoOEy3i8AGJi3Y2C48hrf6CuL2h8W1gLe1gNt72Kxg=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "08895cce80433978d5bfd668efa41c5e24578cbd",
+        "rev": "5da8c00313b4434f00aed6b4c94cd3b207bafdc5",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index f2e6a984c1..1ee1a20d86 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,6 +49,7 @@
         # Specify the rust-src path (many editors rely on this)
         RUST_SRC_PATH = "${rustToolchain}/lib/rustlib/src/rust/library";
         PLAYWRIGHT_BROWSERS_PATH = "${pkgs.playwright-driver.browsers}";
+        PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS = true;
       };
     });
 }
diff --git a/web/src/shared/validators.ts b/web/src/shared/validators.ts
index 0480c722cb..44d3da6c57 100644
--- a/web/src/shared/validators.ts
+++ b/web/src/shared/validators.ts
@@ -79,7 +79,7 @@ export const validateIPv4 = (ip: string, allowMask = false): boolean => {
     }
   }
   const ipv4Pattern = /^(\d{1,3}\.){3}\d{1,3}$/;
-  const ipv4WithPortPattern = /^(\d{1,3}\.){3}\d{1,3}(:\d{1,5})?$/;
+  const ipv4WithPortPattern = /^(\d{1,3}\.){3}\d{1,3}:\d{1,5}$/;
   if (!ipv4Pattern.test(ip) && !ipv4WithPortPattern.test(ip)) {
     return false;
   }