diff --git a/example/pubspec.lock b/example/pubspec.lock
index 71c1d22..c26f019 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
   cancellation_token_hoc081098:
     dependency: "direct main"
     description:
@@ -8,46 +16,60 @@ packages:
       relative: true
     source: path
     version: "1.0.0"
+  dart_either:
+    dependency: transitive
+    description:
+      name: dart_either
+      sha256: "928895b8266ac5906eb4e2993fead563a73b17fc86eec6b40172100d56ca2507"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   lints:
     dependency: "direct dev"
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      sha256: "5cfd6509652ff5e7fe149b6df4859e687fca9048437857cb2e65c8d780f396e3"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
   meta:
     dependency: "direct main"
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.2"
   rxdart:
     dependency: transitive
     description:
       name: rxdart
-      url: "https://pub.dartlang.org"
+      sha256: "5c3004a4a8dbb94bd4bf5412a4def4acdaa12e12f269737a5751369e12d1a962"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.27.5"
+    version: "0.28.0"
   rxdart_ext:
     dependency: "direct main"
     description:
       name: rxdart_ext
-      url: "https://pub.dartlang.org"
+      sha256: "95df7e8b13140e2c3fdb3b943569a51f18090e82aaaf6ca6e8e6437e434a6fb0"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.2.5"
+    version: "0.3.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: f8d9f247e2f9f90e32d1495ff32dac7e4ae34ffa7194c5ff8fcc0fd0e52df774
+      url: "https://pub.dev"
     source: hosted
     version: "1.10.0"
 sdks:
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index ba19ab0..5e0fc5d 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -7,7 +7,7 @@ environment:
 
 dependencies:
   meta: ^1.8.0
-  rxdart_ext: ^0.2.5
+  rxdart_ext: ^0.3.0
   cancellation_token_hoc081098:
 
 dev_dependencies:
diff --git a/pubspec.yaml b/pubspec.yaml
index 68b3e21..818cd71 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,7 +11,7 @@ environment:
   sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
-  rxdart_ext: ^0.2.0
+  rxdart_ext: ^0.3.0
 
 dev_dependencies:
   lints: ^1.0.1