diff --git a/packages/cli-upload/package.json b/packages/cli-upload/package.json
index ac222db48..100bbd19c 100644
--- a/packages/cli-upload/package.json
+++ b/packages/cli-upload/package.json
@@ -34,7 +34,7 @@
   },
   "dependencies": {
     "@percy/cli-command": "1.31.0",
-    "fast-glob": "^3.2.11",
-    "image-size": "^1.0.0"
+    "image-size": "^1.0.0",
+    "tinyglobby": "^0.2.14"
   }
 }
diff --git a/packages/cli-upload/src/upload.js b/packages/cli-upload/src/upload.js
index abd3106fe..8ac595694 100644
--- a/packages/cli-upload/src/upload.js
+++ b/packages/cli-upload/src/upload.js
@@ -68,10 +68,11 @@ export const upload = command('upload', {
   if (!percy) exit(0, 'Percy is disabled');
   let config = percy.config.upload;
 
-  let { default: glob } = await import('fast-glob');
+  let { glob } = await import('tinyglobby');
   let pathnames = yield glob(config.files, {
     ignore: [].concat(config.ignore || []),
     cwd: args.dirname,
+    expandDirectories: false,
     fs
   });
 
diff --git a/packages/core/package.json b/packages/core/package.json
index f15328e24..460652d52 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -52,12 +52,12 @@
     "content-disposition": "^0.5.4",
     "cross-spawn": "^7.0.3",
     "extract-zip": "^2.0.1",
-    "fast-glob": "^3.2.11",
     "micromatch": "^4.0.8",
     "mime-types": "^2.1.34",
     "pako": "^2.1.0",
     "path-to-regexp": "^6.3.0",
     "rimraf": "^3.0.2",
+    "tinyglobby": "^0.2.14",
     "ws": "^8.17.1",
     "yaml": "^2.4.1"
   }
diff --git a/packages/core/src/api.js b/packages/core/src/api.js
index 23e29f601..0b62fb056 100644
--- a/packages/core/src/api.js
+++ b/packages/core/src/api.js
@@ -270,8 +270,8 @@ export function createStaticServer(options) {
 
   // include automatic sitemap route
   server.route('get', `${baseUrl}/sitemap.xml`, async (req, res) => {
-    let { default: glob } = await import('fast-glob');
-    let files = await glob('**/*.html', { cwd: dir, fs });
+    let { glob } = await import('tinyglobby');
+    let files = await glob('**/*.html', { cwd: dir, expandDirectories: false, fs });
 
     return res.send(200, 'application/xml', [
       '<?xml version="1.0" encoding="UTF-8"?>',
diff --git a/yarn.lock b/yarn.lock
index 8c098f766..03df02b95 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4366,7 +4366,7 @@ fast-glob@3.2.7:
     merge2 "^1.3.0"
     micromatch "^4.0.4"
 
-fast-glob@^3.2.11, fast-glob@^3.2.9:
+fast-glob@^3.2.9:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-3.3.3.tgz#d06d585ce8dba90a16b0505c543c3ccfb3aeb818"
   integrity sha512-7MptL8U0cqcFdzIzwOTHoilX9x5BrNqye7Z/LuC7kCMRio1EMSyqRK3BEAUD7sXRq4iT4AzTVuZdhgQ2TCvYLg==
@@ -4406,6 +4406,11 @@ fd-slicer@~1.1.0:
   dependencies:
     pend "~1.2.0"
 
+fdir@^6.4.4:
+  version "6.4.5"
+  resolved "https://registry.yarnpkg.com/fdir/-/fdir-6.4.5.tgz#328e280f3a23699362f95f2e82acf978a0c0cb49"
+  integrity sha512-4BG7puHpVsIYxZUbiUE3RqGloLaSSwzYie5jvasC4LWuBWzZawynvYouhjbQKw2JuIGYdm0DzIxl8iVidKlUEw==
+
 figures@3.2.0, figures@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-3.2.0.tgz#625c18bd293c604dc4a8ddb2febf0c88341746af"
@@ -7138,6 +7143,11 @@ picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.2.2, picomatch@^2.3.1:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
   integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
 
+picomatch@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-4.0.2.tgz#77c742931e8f3b8820946c76cd0c1f13730d1dab"
+  integrity sha512-M7BAV6Rlcy5u+m6oPhAPFgJTzAioX/6B0DxyvDlo9l8+T3nLKbrczg2WLUyzd45L8RqfUMyGPzekbMvX2Ldkwg==
+
 pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -8258,6 +8268,14 @@ through@2, "through@>=2.2.7 <3", through@^2.3.4, through@^2.3.6:
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
 
+tinyglobby@^0.2.14:
+  version "0.2.14"
+  resolved "https://registry.yarnpkg.com/tinyglobby/-/tinyglobby-0.2.14.tgz#5280b0cf3f972b050e74ae88406c0a6a58f4079d"
+  integrity sha512-tX5e7OM1HnYr2+a2C/4V0htOcSQcoSTH9KgJnVvNm5zm/cyEWKJ7j7YutsH9CxMdtOkkLFy2AHrMci9IM8IPZQ==
+  dependencies:
+    fdir "^6.4.4"
+    picomatch "^4.0.2"
+
 tmp@^0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"