diff --git a/package.json b/package.json
index 3b154e2..893aac8 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
   },
   "dependencies": {
     "ini": "^1.3.5",
+    "js-base64": "^2.5.1",
     "nprogress": "^0.2.0",
     "octicons": "^7.1.0",
     "prop-types": "^15.6.1",
@@ -24,6 +25,7 @@
   "devDependencies": {
     "@types/chrome": "^0.0.77",
     "@types/ini": "^1.3.30",
+    "@types/js-base64": "^2.3.1",
     "@types/node": "^11.9.4",
     "@types/nprogress": "^0.0.29",
     "@types/react": "^16.8.2",
diff --git a/src/driver/core/FileExplorer.ts b/src/driver/core/FileExplorer.ts
index b4d3858..31d66bb 100644
--- a/src/driver/core/FileExplorer.ts
+++ b/src/driver/core/FileExplorer.ts
@@ -1,4 +1,5 @@
 import * as ini from 'ini'
+import { Base64 } from 'js-base64'
 import DOMHelper from 'utils/DOMHelper'
 import treeParser from 'utils/treeParser'
 import URLHelper from 'utils/URLHelper'
@@ -79,7 +80,7 @@ type ParsedModule = {
 function resolveGitModules(root: TreeNode, blobData: BlobData) {
   if (blobData) {
     if (blobData.encoding === 'base64' && blobData.content && Array.isArray(root.contents)) {
-      const content = atob(blobData.content)
+      const content = Base64.decode(blobData.content)
       const parsed: Parsed = ini.parse(content)
       handleParsed(root, parsed)
     }
diff --git a/yarn.lock b/yarn.lock
index fc44df2..38dc3df 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -767,6 +767,11 @@
   resolved "https://registry.yarnpkg.com/@types/ini/-/ini-1.3.30.tgz#d1485459c9fad84e937414b832a2adb649eab379"
   integrity sha512-2+iF8zPSbpU83UKE+PNd4r/MhwNAdyGpk3H+VMgEH3EhjFZq1kouLgRoZrmIcmoGX97xFvqdS44DkICR5Nz3tQ==
 
+"@types/js-base64@^2.3.1":
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/@types/js-base64/-/js-base64-2.3.1.tgz#c39f14f129408a3d96a1105a650d8b2b6eeb4168"
+  integrity sha512-4RKbhIDGC87s4EBy2Cp2/5S2O6kmCRcZnD5KRCq1q9z2GhBte1+BdsfVKCpG8yKpDGNyEE2G6IqFIh6W2YwWPA==
+
 "@types/node@^11.9.4":
   version "11.9.4"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-11.9.4.tgz#ceb0048a546db453f6248f2d1d95e937a6f00a14"
@@ -4499,7 +4504,7 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
-js-base64@^2.1.9:
+js-base64@^2.1.9, js-base64@^2.5.1:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.5.1.tgz#1efa39ef2c5f7980bb1784ade4a8af2de3291121"
   integrity sha512-M7kLczedRMYX4L8Mdh4MzyAMM9O5osx+4FcOQuTvr3A9F2D9S5JXheN0ewNbrvK2UatkTRhL5ejGmGSjNMiZuw==