diff --git a/cbreader/settings/base.py b/cbreader/settings/base.py
index a7a073f..f08bb43 100644
--- a/cbreader/settings/base.py
+++ b/cbreader/settings/base.py
@@ -137,3 +137,11 @@ SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
 DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
 
 MYLAR_API_KEY = os.getenv('MYLAR_API_KEY', None)
+
+BOOTSTRAP4 = {
+    "javascript_url": {
+        "url": "https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js",
+        "integrity": "sha384-Piv4xVNRyMGpqkS2by6br4gNJ7DXjqk09RmUpJ8jgGtD7zP9yug3goQfGII0yAns",
+        "crossorigin": "anonymous",
+    },
+}
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index e1b81d4..41a9a6a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ line_length = 119
 
 [tool.poetry]
 name = "cbwebreader"
-version = "0.2"
+version = "0.2.1"
 description = "CBR/Z Web Reader"
 authors = ["ajurna <ajurna@gmail.com>"]
 license = "Creative Commons Attribution-ShareAlike 4.0 International License"