diff --git a/packages/url_launcher/url_launcher/CHANGELOG.md b/packages/url_launcher/url_launcher/CHANGELOG.md
index 5e2b3c0dcb41..31b6beac109a 100644
--- a/packages/url_launcher/url_launcher/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 5.4.6
+
+* Remove deprecation warnings on Android.
+
 ## 5.4.5
 
 * Remove Android dependencies fallback.
diff --git a/packages/url_launcher/url_launcher/android/src/main/java/io/flutter/plugins/urllauncher/WebViewActivity.java b/packages/url_launcher/url_launcher/android/src/main/java/io/flutter/plugins/urllauncher/WebViewActivity.java
index 52714790a25c..a59ab46aa402 100644
--- a/packages/url_launcher/url_launcher/android/src/main/java/io/flutter/plugins/urllauncher/WebViewActivity.java
+++ b/packages/url_launcher/url_launcher/android/src/main/java/io/flutter/plugins/urllauncher/WebViewActivity.java
@@ -12,6 +12,7 @@
 import android.webkit.WebResourceRequest;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
+import androidx.annotation.RequiresApi;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -39,8 +40,9 @@ public void onReceive(Context context, Intent intent) {
       new WebViewClient() {
 
         @Override
+        @SuppressWarnings("deprecation")
         public boolean shouldOverrideUrlLoading(WebView view, String url) {
-          if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+          if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
             view.loadUrl(url);
             return false;
           }
@@ -48,10 +50,9 @@ public boolean shouldOverrideUrlLoading(WebView view, String url) {
         }
 
         @Override
+        @RequiresApi(Build.VERSION_CODES.N)
         public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
-          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            view.loadUrl(request.getUrl().toString());
-          }
+          view.loadUrl(request.getUrl().toString());
           return false;
         }
       };
@@ -89,7 +90,9 @@ private Map<String, String> extractHeaders(Bundle headersBundle) {
     final Map<String, String> headersMap = new HashMap<>();
     for (String key : headersBundle.keySet()) {
       final String value = headersBundle.getString(key);
-      headersMap.put(key, value);
+      if (value != null) {
+        headersMap.put(key, value);
+      }
     }
     return headersMap;
   }
diff --git a/packages/url_launcher/url_launcher/pubspec.yaml b/packages/url_launcher/url_launcher/pubspec.yaml
index 4d1fbafa5095..e2f40dff420c 100644
--- a/packages/url_launcher/url_launcher/pubspec.yaml
+++ b/packages/url_launcher/url_launcher/pubspec.yaml
@@ -2,7 +2,7 @@ name: url_launcher
 description: Flutter plugin for launching a URL on Android and iOS. Supports
   web, phone, SMS, and email schemes.
 homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher
-version: 5.4.5
+version: 5.4.6
 
 flutter:
   plugin:
@@ -38,5 +38,5 @@ dev_dependencies:
   pedantic: ^1.8.0
 
 environment:
-  sdk: ">=2.0.0-dev.28.0 <3.0.0"
+  sdk: ">=2.7.0 <3.0.0"
   flutter: ">=1.12.13+hotfix.5 <2.0.0"
diff --git a/packages/url_launcher/url_launcher_macos/CHANGELOG.md b/packages/url_launcher/url_launcher_macos/CHANGELOG.md
index 31ac1f8bb45d..76ee1f1cc422 100644
--- a/packages/url_launcher/url_launcher_macos/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher_macos/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.0.1+7
+
+* Bump minimum versions from Flutter to `1.12.13+hotfix.5` and Dart to `2.7.0`.
+
 # 0.0.1+6
 
 * Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
diff --git a/packages/url_launcher/url_launcher_macos/pubspec.yaml b/packages/url_launcher/url_launcher_macos/pubspec.yaml
index 9b4ffa6266ca..bade68dbfd39 100644
--- a/packages/url_launcher/url_launcher_macos/pubspec.yaml
+++ b/packages/url_launcher/url_launcher_macos/pubspec.yaml
@@ -3,7 +3,7 @@ description: macOS implementation of the url_launcher plugin.
 # 0.0.y+z is compatible with 1.0.0, if you land a breaking change bump
 # the version to 2.0.0.
 # See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
-version: 0.0.1+6
+version: 0.0.1+7
 homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher_macos
 
 flutter:
@@ -14,8 +14,8 @@ flutter:
         fileName: url_launcher_macos.dart
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
-  flutter: ">=1.12.8 <2.0.0"
+  sdk: ">=2.7.0 <3.0.0"
+  flutter: ">=1.12.13+hotfix.5 <2.0.0"
 
 dependencies:
   flutter:
diff --git a/packages/url_launcher/url_launcher_platform_interface/CHANGELOG.md b/packages/url_launcher/url_launcher_platform_interface/CHANGELOG.md
index 592102f47fb7..40b22a66a6dc 100644
--- a/packages/url_launcher/url_launcher_platform_interface/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher_platform_interface/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.7
+
+* Bump minimum versions from Flutter to `1.12.13+hotfix.5` and Dart to `2.7.0`.
+
 ## 1.0.6
 
 * Make the pedantic dev_dependency explicit.
diff --git a/packages/url_launcher/url_launcher_platform_interface/pubspec.yaml b/packages/url_launcher/url_launcher_platform_interface/pubspec.yaml
index 806c9679f6a3..927ff6d2384d 100644
--- a/packages/url_launcher/url_launcher_platform_interface/pubspec.yaml
+++ b/packages/url_launcher/url_launcher_platform_interface/pubspec.yaml
@@ -3,7 +3,7 @@ description: A common platform interface for the url_launcher plugin.
 homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher_platform_interface
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 1.0.6
+version: 1.0.7
 
 dependencies:
   flutter:
@@ -18,5 +18,5 @@ dev_dependencies:
   pedantic: ^1.8.0
 
 environment:
-  sdk: ">=2.0.0-dev.28.0 <3.0.0"
-  flutter: ">=1.9.1+hotfix.4 <2.0.0"
+  sdk: ">=2.7.0 <3.0.0"
+  flutter: ">=1.12.13+hotfix.5 <2.0.0"
diff --git a/packages/url_launcher/url_launcher_web/CHANGELOG.md b/packages/url_launcher/url_launcher_web/CHANGELOG.md
index e6702bde392a..5cef10492f1a 100644
--- a/packages/url_launcher/url_launcher_web/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher_web/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.1.1+5
+
+* Bump minimum versions from Flutter to `1.12.13+hotfix.5` and Dart to `2.7.0`.
+
 # 0.1.1+4
 
 * Declare API stability and compatibility with `1.0.0` (more details at: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0).
diff --git a/packages/url_launcher/url_launcher_web/pubspec.yaml b/packages/url_launcher/url_launcher_web/pubspec.yaml
index 08b57aaa7e1a..431d5bc2ffae 100644
--- a/packages/url_launcher/url_launcher_web/pubspec.yaml
+++ b/packages/url_launcher/url_launcher_web/pubspec.yaml
@@ -4,7 +4,7 @@ homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/u
 # 0.1.y+z is compatible with 1.0.0, if you land a breaking change bump
 # the version to 2.0.0.
 # See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
-version: 0.1.1+4
+version: 0.1.1+5
 
 flutter:
   plugin:
@@ -30,5 +30,5 @@ dev_dependencies:
   mockito: ^4.1.1
 
 environment:
-  sdk: ">=2.0.0-dev.28.0 <3.0.0"
-  flutter: ">=1.10.0 <2.0.0"
+  sdk: ">=2.7.0 <3.0.0"
+  flutter: ">=1.12.13+hotfix.5 <2.0.0"