diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0b6389..87410e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## [2.1.0]
+* add backgroundBoxShadow property
+
 ## [2.0.0]
 * migrate to support null-safety
 * update embedding android in Example
diff --git a/README.md b/README.md
index 62e20ec..c37e492 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Support us by becoming a patron on Patreon
 
 ```kotlin
 dependencies:
-  circular_bottom_navigation: ^2.0.0
+  circular_bottom_navigation: ^2.1.0
 ```
 
 ## 2 - Install it
diff --git a/example/pubspec.lock b/example/pubspec.lock
index ea90144..583115a 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -35,7 +35,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.0.0"
+    version: "2.1.0"
   clock:
     dependency: transitive
     description:
diff --git a/pubspec.lock b/pubspec.lock
index 8077d23..7d27b51 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -42,14 +42,14 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -66,7 +66,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -80,7 +87,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -92,7 +99,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -127,20 +134,13 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index e8292b5..394d750 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: circular_bottom_navigation
 description: Circular Bottom Navigation (or maybe a tab bar)
-version: 2.0.0
+version: 2.1.0
 homepage: https://github.com/imaNNeoFighT/circular_bottom_navigation
 
 environment: