diff --git a/in_app_purchases/complete/app/pubspec.lock b/in_app_purchases/complete/app/pubspec.lock
index bf87504dda..b7b1a77f7f 100644
--- a/in_app_purchases/complete/app/pubspec.lock
+++ b/in_app_purchases/complete/app/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: "7d4306a9ac6eaed45df40c63f81275bf46dc65083947b8c1665c8d7c04a74743"
+      sha256: "21551c1205441d9d155660ea0a409530b65a8d66ce88002bab3f38d94a8638fc"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_core_web
-      sha256: d5bf0dcaae08e6aa34e95e416a69998b0570951d3619c5c898f435d6b83304b4
+      sha256: "0ec9832bfec1662629d6d09abd65021357634b2c10964970d3e96ab18c9458db"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/in_app_purchases/step_00/app/pubspec.lock b/in_app_purchases/step_00/app/pubspec.lock
index ff98123b17..2939e884a4 100644
--- a/in_app_purchases/step_00/app/pubspec.lock
+++ b/in_app_purchases/step_00/app/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: "7d4306a9ac6eaed45df40c63f81275bf46dc65083947b8c1665c8d7c04a74743"
+      sha256: "21551c1205441d9d155660ea0a409530b65a8d66ce88002bab3f38d94a8638fc"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_core_web
-      sha256: d5bf0dcaae08e6aa34e95e416a69998b0570951d3619c5c898f435d6b83304b4
+      sha256: "0ec9832bfec1662629d6d09abd65021357634b2c10964970d3e96ab18c9458db"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/in_app_purchases/step_03/app/pubspec.lock b/in_app_purchases/step_03/app/pubspec.lock
index bf87504dda..b7b1a77f7f 100644
--- a/in_app_purchases/step_03/app/pubspec.lock
+++ b/in_app_purchases/step_03/app/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: "7d4306a9ac6eaed45df40c63f81275bf46dc65083947b8c1665c8d7c04a74743"
+      sha256: "21551c1205441d9d155660ea0a409530b65a8d66ce88002bab3f38d94a8638fc"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_core_web
-      sha256: d5bf0dcaae08e6aa34e95e416a69998b0570951d3619c5c898f435d6b83304b4
+      sha256: "0ec9832bfec1662629d6d09abd65021357634b2c10964970d3e96ab18c9458db"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/in_app_purchases/step_07/app/pubspec.lock b/in_app_purchases/step_07/app/pubspec.lock
index bf87504dda..b7b1a77f7f 100644
--- a/in_app_purchases/step_07/app/pubspec.lock
+++ b/in_app_purchases/step_07/app/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: "7d4306a9ac6eaed45df40c63f81275bf46dc65083947b8c1665c8d7c04a74743"
+      sha256: "21551c1205441d9d155660ea0a409530b65a8d66ce88002bab3f38d94a8638fc"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_core_web
-      sha256: d5bf0dcaae08e6aa34e95e416a69998b0570951d3619c5c898f435d6b83304b4
+      sha256: "0ec9832bfec1662629d6d09abd65021357634b2c10964970d3e96ab18c9458db"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/in_app_purchases/step_08/app/pubspec.lock b/in_app_purchases/step_08/app/pubspec.lock
index bf87504dda..b7b1a77f7f 100644
--- a/in_app_purchases/step_08/app/pubspec.lock
+++ b/in_app_purchases/step_08/app/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: "7d4306a9ac6eaed45df40c63f81275bf46dc65083947b8c1665c8d7c04a74743"
+      sha256: "21551c1205441d9d155660ea0a409530b65a8d66ce88002bab3f38d94a8638fc"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_core_web
-      sha256: d5bf0dcaae08e6aa34e95e416a69998b0570951d3619c5c898f435d6b83304b4
+      sha256: "0ec9832bfec1662629d6d09abd65021357634b2c10964970d3e96ab18c9458db"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/in_app_purchases/step_10/app/pubspec.lock b/in_app_purchases/step_10/app/pubspec.lock
index bf87504dda..b7b1a77f7f 100644
--- a/in_app_purchases/step_10/app/pubspec.lock
+++ b/in_app_purchases/step_10/app/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: "7d4306a9ac6eaed45df40c63f81275bf46dc65083947b8c1665c8d7c04a74743"
+      sha256: "21551c1205441d9d155660ea0a409530b65a8d66ce88002bab3f38d94a8638fc"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_core_web
-      sha256: d5bf0dcaae08e6aa34e95e416a69998b0570951d3619c5c898f435d6b83304b4
+      sha256: "0ec9832bfec1662629d6d09abd65021357634b2c10964970d3e96ab18c9458db"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/in_app_purchases/step_11/app/pubspec.lock b/in_app_purchases/step_11/app/pubspec.lock
index bf87504dda..b7b1a77f7f 100644
--- a/in_app_purchases/step_11/app/pubspec.lock
+++ b/in_app_purchases/step_11/app/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: "direct main"
     description:
       name: firebase_core
-      sha256: "7d4306a9ac6eaed45df40c63f81275bf46dc65083947b8c1665c8d7c04a74743"
+      sha256: "21551c1205441d9d155660ea0a409530b65a8d66ce88002bab3f38d94a8638fc"
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: firebase_core_web
-      sha256: d5bf0dcaae08e6aa34e95e416a69998b0570951d3619c5c898f435d6b83304b4
+      sha256: "0ec9832bfec1662629d6d09abd65021357634b2c10964970d3e96ab18c9458db"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.1.0"
   flutter:
     dependency: "direct main"
     description: flutter