diff --git a/veilid-core/src/attachment_manager.rs b/veilid-core/src/attachment_manager.rs
index 6b173b20..d5a1323d 100644
--- a/veilid-core/src/attachment_manager.rs
+++ b/veilid-core/src/attachment_manager.rs
@@ -178,7 +178,7 @@ impl AttachmentManager {
         {
             let mut inner = self.inner.lock();
             inner.last_attachment_state = AttachmentState::Attaching;
-            self.inner.lock().attach_ts = Some(get_aligned_timestamp());
+            inner.attach_ts = Some(get_aligned_timestamp());
             debug!("attachment starting");
         }
         let netman = self.network_manager();
diff --git a/veilid-flutter/example/macos/Podfile b/veilid-flutter/example/macos/Podfile
index 2e723704..b5c9c07c 100644
--- a/veilid-flutter/example/macos/Podfile
+++ b/veilid-flutter/example/macos/Podfile
@@ -1,4 +1,4 @@
-platform :osx, '10.11'
+platform :osx, '10.12.2'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
diff --git a/veilid-flutter/example/macos/Podfile.lock b/veilid-flutter/example/macos/Podfile.lock
index 0626573c..38ac07f6 100644
--- a/veilid-flutter/example/macos/Podfile.lock
+++ b/veilid-flutter/example/macos/Podfile.lock
@@ -27,8 +27,8 @@ SPEC CHECKSUMS:
   flutter_acrylic: c3df24ae52ab6597197837ce59ef2a8542640c17
   FlutterMacOS: ae6af50a8ea7d6103d888583d46bd8328a7e9811
   path_provider_macos: 3c0c3b4b0d4a76d2bf989a913c2de869c5641a19
-  veilid: f2b3b5b3ac8cd93fc5443ab830d5153575dacf36
+  veilid: ef97d3a2d5fda3b25a4017eae65c37afa8035203
 
-PODFILE CHECKSUM: 287ef99ea691944b4036c202758453a7b2d63b34
+PODFILE CHECKSUM: baac1aaddb7c3a00c396723592a2ffb396a7fed7
 
 COCOAPODS: 1.11.3
diff --git a/veilid-flutter/example/macos/Runner.xcodeproj/project.pbxproj b/veilid-flutter/example/macos/Runner.xcodeproj/project.pbxproj
index 53d253d5..2211295b 100644
--- a/veilid-flutter/example/macos/Runner.xcodeproj/project.pbxproj
+++ b/veilid-flutter/example/macos/Runner.xcodeproj/project.pbxproj
@@ -409,7 +409,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.12.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -496,7 +496,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.12.2;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -543,7 +543,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.12.2;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
diff --git a/veilid-flutter/macos/veilid.podspec b/veilid-flutter/macos/veilid.podspec
index 0638621b..f5a562fa 100644
--- a/veilid-flutter/macos/veilid.podspec
+++ b/veilid-flutter/macos/veilid.podspec
@@ -16,8 +16,8 @@ Veilid Network Plugin
   s.source_files     = 'Classes/**/*'
   s.dependency 'FlutterMacOS'
 
-  s.platform = :osx, '10.11'
-  s.osx.deployment_target = '10.11'
+  s.platform = :osx, '10.12.2'
+  s.osx.deployment_target = '10.12.2'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   s.swift_version = '5.0'