diff --git a/samples/admob/adaptive_banner_example/pubspec.yaml b/samples/admob/adaptive_banner_example/pubspec.yaml
index 97a3f89c5..65205ad20 100644
--- a/samples/admob/adaptive_banner_example/pubspec.yaml
+++ b/samples/admob/adaptive_banner_example/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
 dev_dependencies:
   flutter_test:
diff --git a/samples/admob/app_open_example/pubspec.yaml b/samples/admob/app_open_example/pubspec.yaml
index dcc5dcf4d..743969e10 100644
--- a/samples/admob/app_open_example/pubspec.yaml
+++ b/samples/admob/app_open_example/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
 dev_dependencies:
   flutter_test:
diff --git a/samples/admob/banner_example/pubspec.yaml b/samples/admob/banner_example/pubspec.yaml
index 589aeffa1..def498b5a 100644
--- a/samples/admob/banner_example/pubspec.yaml
+++ b/samples/admob/banner_example/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
 dev_dependencies:
   flutter_test:
diff --git a/samples/admob/interstitial_example/pubspec.yaml b/samples/admob/interstitial_example/pubspec.yaml
index b1d2dcc57..1701dcb3e 100644
--- a/samples/admob/interstitial_example/pubspec.yaml
+++ b/samples/admob/interstitial_example/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
 dev_dependencies:
   flutter_test:
diff --git a/samples/admob/mediation_example/pubspec.yaml b/samples/admob/mediation_example/pubspec.yaml
index 89338ec35..d11ce8ca6 100644
--- a/samples/admob/mediation_example/pubspec.yaml
+++ b/samples/admob/mediation_example/pubspec.yaml
@@ -23,7 +23,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
   # The following adds the Cupertino Icons font to your application.
 
diff --git a/samples/admob/native_platform_example/pubspec.yaml b/samples/admob/native_platform_example/pubspec.yaml
index e49c07f65..552adb3c3 100644
--- a/samples/admob/native_platform_example/pubspec.yaml
+++ b/samples/admob/native_platform_example/pubspec.yaml
@@ -30,7 +30,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
diff --git a/samples/admob/native_template_example/pubspec.yaml b/samples/admob/native_template_example/pubspec.yaml
index b373c48e1..1b23c6506 100644
--- a/samples/admob/native_template_example/pubspec.yaml
+++ b/samples/admob/native_template_example/pubspec.yaml
@@ -30,7 +30,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
diff --git a/samples/admob/rewarded_example/pubspec.yaml b/samples/admob/rewarded_example/pubspec.yaml
index a56058317..18c2d0003 100644
--- a/samples/admob/rewarded_example/pubspec.yaml
+++ b/samples/admob/rewarded_example/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
 dev_dependencies:
   flutter_test:
diff --git a/samples/admob/rewarded_interstitial_example/pubspec.yaml b/samples/admob/rewarded_interstitial_example/pubspec.yaml
index 00f5b6326..0a676803a 100644
--- a/samples/admob/rewarded_interstitial_example/pubspec.yaml
+++ b/samples/admob/rewarded_interstitial_example/pubspec.yaml
@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  google_mobile_ads: ^3.1.0
+  google_mobile_ads: ^4.0.0
 
 dev_dependencies:
   flutter_test: