diff --git a/flake.lock b/flake.lock
index 539e40c..0ac025d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1726560853,
-        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1730272153,
-        "narHash": "sha256-B5WRZYsRlJgwVHIV6DvidFN7VX7Fg9uuwkRW9Ha8z+w=",
+        "lastModified": 1731890469,
+        "narHash": "sha256-D1FNZ70NmQEwNxpSSdTXCSklBH1z2isPR84J6DQrJGs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2d2a9ddbe3f2c00747398f3dc9b05f7f2ebb0f53",
+        "rev": "5083ec887760adfe12af64830a66807423a859a7",
         "type": "github"
       },
       "original": {
@@ -66,11 +66,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1730321837,
-        "narHash": "sha256-vK+a09qq19QNu2MlLcvN4qcRctJbqWkX7ahgPZ/+maI=",
+        "lastModified": 1732187120,
+        "narHash": "sha256-XdW2mYXvPHYtZ8oQqO3tRYtxx7kI0Hs3NU64IwAtD68=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "746901bb8dba96d154b66492a29f5db0693dbfcc",
+        "rev": "37f8f47cb618eddee0c0dd31a582b1cd3013c7f6",
         "type": "github"
       },
       "original": {
diff --git a/ui/src/main.ts b/ui/src/main.ts
index 5e792af..e96574c 100644
--- a/ui/src/main.ts
+++ b/ui/src/main.ts
@@ -1,4 +1,4 @@
-async function main() {
+async function main(): Promise<void> {
   fetch("https://ip.ny4.dev/api/v1/ip")
     .then((response) => {
       if (!response.ok) {
@@ -7,8 +7,8 @@ async function main() {
       return response.json();
     })
     .then((data) => {
-      document.getElementById("check-ny4-ip")!.innerHTML = data.ip;
-      document.getElementById("check-ny4-location")!.innerHTML = [
+      document.getElementById("check-ny4-ip")!.innerText = data.ip;
+      document.getElementById("check-ny4-location")!.innerText = [
         data.city,
         data.region,
         data.country,
@@ -25,8 +25,8 @@ async function main() {
       return response.json();
     })
     .then((data) => {
-      document.getElementById("check-ipsb-ip")!.innerHTML = data.ip;
-      document.getElementById("check-ipsb-location")!.innerHTML = [
+      document.getElementById("check-ipsb-ip")!.innerText = data.ip;
+      document.getElementById("check-ipsb-location")!.innerText = [
         data.city,
         data.region,
         data.country,
@@ -43,8 +43,8 @@ async function main() {
       return response.json();
     })
     .then((data) => {
-      document.getElementById("check-ipapiis-ip")!.innerHTML = data.ip;
-      document.getElementById("check-ipapiis-location")!.innerHTML = [
+      document.getElementById("check-ipapiis-ip")!.innerText = data.ip;
+      document.getElementById("check-ipapiis-location")!.innerText = [
         data.location.city,
         data.location.state,
         data.location.country,
@@ -62,8 +62,8 @@ async function main() {
     })
     .then((data) => {
       const v = data.data;
-      document.getElementById("check-speedtestcn-ip")!.innerHTML = v.ip;
-      document.getElementById("check-speedtestcn-location")!.innerHTML = [
+      document.getElementById("check-speedtestcn-ip")!.innerText = v.ip;
+      document.getElementById("check-speedtestcn-location")!.innerText = [
         v.city,
         v.province,
         v.country,