diff --git a/packages/local_auth/CHANGELOG.md b/packages/local_auth/CHANGELOG.md
index c0d04fb..f4129f7 100644
--- a/packages/local_auth/CHANGELOG.md
+++ b/packages/local_auth/CHANGELOG.md
@@ -1,5 +1,6 @@
-## NEXT
+## 1.1.8
 
+* Update minimum Flutter SDK to 2.5 and iOS deployment target to 9.0.
 * Updated Android lint settings.
 
 ## 1.1.7
diff --git a/packages/local_auth/example/ios/Flutter/AppFrameworkInfo.plist b/packages/local_auth/example/ios/Flutter/AppFrameworkInfo.plist
index 6c2de80..3a9c234 100644
--- a/packages/local_auth/example/ios/Flutter/AppFrameworkInfo.plist
+++ b/packages/local_auth/example/ios/Flutter/AppFrameworkInfo.plist
@@ -25,6 +25,6 @@
     <string>arm64</string>
   </array>
   <key>MinimumOSVersion</key>
-  <string>8.0</string>
+  <string>9.0</string>
 </dict>
 </plist>
diff --git a/packages/local_auth/example/ios/Runner.xcodeproj/project.pbxproj b/packages/local_auth/example/ios/Runner.xcodeproj/project.pbxproj
index debbb1d..3de4b94 100644
--- a/packages/local_auth/example/ios/Runner.xcodeproj/project.pbxproj
+++ b/packages/local_auth/example/ios/Runner.xcodeproj/project.pbxproj
@@ -494,7 +494,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -544,7 +544,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
diff --git a/packages/local_auth/example/pubspec.yaml b/packages/local_auth/example/pubspec.yaml
index ff7a272..3aa8fd8 100644
--- a/packages/local_auth/example/pubspec.yaml
+++ b/packages/local_auth/example/pubspec.yaml
@@ -3,8 +3,8 @@
 publish_to: none
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
-  flutter: ">=1.12.13+hotfix.5"
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
 
 dependencies:
   flutter:
diff --git a/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m b/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m
index a00c7ee..c2dc9db 100644
--- a/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m
+++ b/packages/local_auth/ios/Classes/FLTLocalAuthPlugin.m
@@ -148,23 +148,19 @@
   _lastResult = nil;
   context.localizedFallbackTitle = @"";
 
-  if (@available(iOS 9.0, *)) {
-    if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthentication error:&authError]) {
-      [context evaluatePolicy:kLAPolicyDeviceOwnerAuthentication
-              localizedReason:arguments[@"localizedReason"]
-                        reply:^(BOOL success, NSError *error) {
-                          dispatch_async(dispatch_get_main_queue(), ^{
-                            [self handleAuthReplyWithSuccess:success
-                                                       error:error
-                                            flutterArguments:arguments
-                                               flutterResult:result];
-                          });
-                        }];
-    } else {
-      [self handleErrors:authError flutterArguments:arguments withFlutterResult:result];
-    }
+  if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthentication error:&authError]) {
+    [context evaluatePolicy:kLAPolicyDeviceOwnerAuthentication
+            localizedReason:arguments[@"localizedReason"]
+                      reply:^(BOOL success, NSError *error) {
+                        dispatch_async(dispatch_get_main_queue(), ^{
+                          [self handleAuthReplyWithSuccess:success
+                                                     error:error
+                                          flutterArguments:arguments
+                                             flutterResult:result];
+                        });
+                      }];
   } else {
-    // Fallback on earlier versions
+    [self handleErrors:authError flutterArguments:arguments withFlutterResult:result];
   }
 }
 
diff --git a/packages/local_auth/ios/local_auth.podspec b/packages/local_auth/ios/local_auth.podspec
index b411ddd..917c4bf 100644
--- a/packages/local_auth/ios/local_auth.podspec
+++ b/packages/local_auth/ios/local_auth.podspec
@@ -17,7 +17,7 @@
   s.source_files = 'Classes/**/*'
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
-  s.platform = :ios, '8.0'
-  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS[sdk=iphonesimulator*]' => 'x86_64' }
+  s.platform = :ios, '9.0'
+  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
 end
 
diff --git a/packages/local_auth/pubspec.yaml b/packages/local_auth/pubspec.yaml
index 8a31b2f..4f5ef26 100644
--- a/packages/local_auth/pubspec.yaml
+++ b/packages/local_auth/pubspec.yaml
@@ -3,11 +3,11 @@
   authentication via fingerprint, touch ID, face ID, passcode, pin, or pattern.
 repository: https://github.com/flutter/plugins/tree/master/packages/local_auth
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+local_auth%22
-version: 1.1.7
+version: 1.1.8
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
-  flutter: ">=2.0.0"
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
 
 flutter:
   plugin: