diff --git a/src/scripts/update-sites.ts b/src/scripts/update-sites.ts
index 1bb0862..1e1525e 100644
--- a/src/scripts/update-sites.ts
+++ b/src/scripts/update-sites.ts
@@ -47,7 +47,7 @@ const removeBuggySites = (sites: SiteList): SiteList => {
     "ProductHunt", // Super slow
   ];
 
-  for (let site of sitesToRemove) {
+  for (const site of sitesToRemove) {
     delete sites[site];
   }
 
diff --git a/tests/sites/all-sites.test.ts b/tests/sites/all-sites.test.ts
index ef1ce34..33b044d 100644
--- a/tests/sites/all-sites.test.ts
+++ b/tests/sites/all-sites.test.ts
@@ -8,8 +8,8 @@ const getClaimedUsername = (site: Site) => site.username_claimed ?? "JohnDoe";
 
 const generateRandomString = (strLength = 12) => {
   let result = "";
-  let characters = "abcdefghijklmnopqrstuvwxyz0123456789";
-  let charactersLength = characters.length;
+  const characters = "abcdefghijklmnopqrstuvwxyz0123456789";
+  const charactersLength = characters.length;
   for (let i = 0; i < strLength; i++) {
     result += characters.charAt(Math.floor(Math.random() * charactersLength));
   }
diff --git a/tests/testing-helpers.ts b/tests/testing-helpers.ts
index fe44c82..24cbc4c 100644
--- a/tests/testing-helpers.ts
+++ b/tests/testing-helpers.ts
@@ -14,19 +14,19 @@ const url = "http://localhost/users/{}/hello";
 const siteStatusCode: Site = {
   url,
   errorType: SiteErrorType.status_code,
-  username_claimed: testUsername,
+  "username_claimed": testUsername,
 };
 const siteStatusMessage: Site = {
   url,
   errorType: SiteErrorType.message,
   errorMsg: "User not found",
-  username_claimed: testUsername,
+  "username_claimed": testUsername,
 };
 const siteRedirect: Site = {
   url,
   errorType: SiteErrorType.response_url,
   errorUrl: "http://localhost/redirect-to-error",
-  username_claimed: testUsername,
+  "username_claimed": testUsername,
 };
 
 export {