diff --git a/Sources/GRPC/GRPCChannel/GRPCChannelBuilder.swift b/Sources/GRPC/GRPCChannel/GRPCChannelBuilder.swift
index 865e8df3c..1fe777911 100644
--- a/Sources/GRPC/GRPCChannel/GRPCChannelBuilder.swift
+++ b/Sources/GRPC/GRPCChannel/GRPCChannelBuilder.swift
@@ -42,7 +42,7 @@ extension ClientConnection {
   ///
   /// gRPC Swift offers two TLS 'backends'. The 'NIOSSL' backend is available on Darwin and Linux
   /// platforms and delegates to SwiftNIO SSL. On recent Darwin platforms (macOS 10.14+, iOS 12+,
-  /// tvOS 12+, and watchOS 5+) the 'Network.framework' backend is available. The two backends have
+  /// tvOS 12+, and watchOS 6+) the 'Network.framework' backend is available. The two backends have
   /// a number of incompatible configuration options and users are responsible for selecting the
   /// appropriate APIs. The TLS configuration options on the builder document which backends they
   /// support.
@@ -85,7 +85,7 @@ extension ClientConnection {
   ///
   /// - Parameter group: The `EventLoopGroup` use for the connection.
   /// - Returns: A builder for a connection using the Network.framework TLS backend.
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public static func usingTLSBackedByNetworkFramework(
     on group: EventLoopGroup
   ) -> ClientConnection.Builder.Secure {
@@ -365,7 +365,7 @@ extension ClientConnection.Builder.Secure {
   ///
   /// - Note: May only be used with the 'Network.framework' TLS backend.
   @discardableResult
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public func withTLS(localIdentity: SecIdentity) -> Self {
     self.tls.updateNetworkLocalIdentity(to: localIdentity)
     return self
@@ -375,7 +375,7 @@ extension ClientConnection.Builder.Secure {
   ///
   /// - Note: May only be used with the 'Network.framework' TLS backend.
   @discardableResult
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public func withTLSHandshakeVerificationCallback(
     on queue: DispatchQueue,
     verificationCallback callback: @escaping sec_protocol_verify_t
diff --git a/Sources/GRPC/GRPCTLSConfiguration.swift b/Sources/GRPC/GRPCTLSConfiguration.swift
index 97b16d344..d3a30b8f6 100644
--- a/Sources/GRPC/GRPCTLSConfiguration.swift
+++ b/Sources/GRPC/GRPCTLSConfiguration.swift
@@ -93,7 +93,7 @@ public struct GRPCTLSConfiguration {
 
       #if canImport(Network)
       case var .network(config):
-        if #available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *) {
+        if #available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *) {
           if let hostnameOverride = newValue {
             config.updateHostnameOverride(to: hostnameOverride)
           } else {
@@ -403,7 +403,7 @@ extension GRPCTLSConfiguration {
 #if canImport(Network)
 extension GRPCTLSConfiguration {
   internal struct NetworkConfiguration {
-    @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+    @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
     internal var options: NWProtocolTLS.Options {
       get {
         return self._options as! NWProtocolTLS.Options
@@ -424,13 +424,13 @@ extension GRPCTLSConfiguration {
     // guards to update the value in the underlying `sec_protocol_options`.
     internal private(set) var hostnameOverride: String?
 
-    @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+    @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
     init(options: NWProtocolTLS.Options, hostnameOverride: String?) {
       self._options = options
       self.hostnameOverride = hostnameOverride
     }
 
-    @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+    @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
     internal mutating func updateHostnameOverride(to hostnameOverride: String) {
       self.hostnameOverride = hostnameOverride
       sec_protocol_options_set_tls_server_name(
@@ -440,7 +440,7 @@ extension GRPCTLSConfiguration {
     }
   }
 
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public static func makeClientConfigurationBackedByNetworkFramework(
     identity: SecIdentity? = nil,
     hostnameOverride: String? = nil,
@@ -489,7 +489,7 @@ extension GRPCTLSConfiguration {
     )
   }
 
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public static func makeClientConfigurationBackedByNetworkFramework(
     options: NWProtocolTLS.Options,
     hostnameOverride: String? = nil
@@ -498,7 +498,7 @@ extension GRPCTLSConfiguration {
     return GRPCTLSConfiguration(backend: .network(network))
   }
 
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public static func makeServerConfigurationBackedByNetworkFramework(
     identity: SecIdentity
   ) -> GRPCTLSConfiguration {
@@ -525,7 +525,7 @@ extension GRPCTLSConfiguration {
     return GRPCTLSConfiguration.makeServerConfigurationBackedByNetworkFramework(options: options)
   }
 
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public static func makeServerConfigurationBackedByNetworkFramework(
     options: NWProtocolTLS.Options
   ) -> GRPCTLSConfiguration {
@@ -533,7 +533,7 @@ extension GRPCTLSConfiguration {
     return GRPCTLSConfiguration(backend: .network(network))
   }
 
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   internal mutating func updateNetworkLocalIdentity(to identity: SecIdentity) {
     self.modifyingNetworkConfiguration {
       sec_protocol_options_set_local_identity(
@@ -543,7 +543,7 @@ extension GRPCTLSConfiguration {
     }
   }
 
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   internal mutating func updateNetworkVerifyCallbackWithQueue(
     callback: @escaping sec_protocol_verify_t,
     queue: DispatchQueue
@@ -573,7 +573,7 @@ extension GRPCTLSConfiguration {
 
 #if canImport(Network)
 extension GRPCTLSConfiguration {
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   internal func applyNetworkTLSOptions(
     to bootstrap: NIOTSConnectionBootstrap
   ) -> NIOTSConnectionBootstrap {
@@ -588,7 +588,7 @@ extension GRPCTLSConfiguration {
     }
   }
 
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   internal func applyNetworkTLSOptions(
     to bootstrap: NIOTSListenerBootstrap
   ) -> NIOTSListenerBootstrap {
@@ -604,7 +604,7 @@ extension GRPCTLSConfiguration {
   }
 }
 
-@available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+@available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
 extension NIOTSConnectionBootstrap {
   internal func tlsOptions(
     from configuration: GRPCTLSConfiguration
@@ -613,7 +613,7 @@ extension NIOTSConnectionBootstrap {
   }
 }
 
-@available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+@available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
 extension NIOTSListenerBootstrap {
   internal func tlsOptions(
     from configuration: GRPCTLSConfiguration
diff --git a/Sources/GRPC/ServerBuilder.swift b/Sources/GRPC/ServerBuilder.swift
index 082da263b..bb329243e 100644
--- a/Sources/GRPC/ServerBuilder.swift
+++ b/Sources/GRPC/ServerBuilder.swift
@@ -240,7 +240,7 @@ extension Server {
   /// Returns a `Server` builder configured with the 'Network.framework' TLS backend.
   ///
   /// This builder must use a `NIOTSEventLoopGroup`.
-  @available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+  @available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
   public static func usingTLSBackedByNetworkFramework(
     on group: EventLoopGroup,
     with identity: SecIdentity
diff --git a/Tests/GRPCTests/GRPCNetworkFrameworkTests.swift b/Tests/GRPCTests/GRPCNetworkFrameworkTests.swift
index 51f1ae06e..a89e9c001 100644
--- a/Tests/GRPCTests/GRPCNetworkFrameworkTests.swift
+++ b/Tests/GRPCTests/GRPCNetworkFrameworkTests.swift
@@ -25,7 +25,7 @@ import NIOTransportServices
 import Security
 import XCTest
 
-@available(macOS 10.14, iOS 12.0, watchOS 5.0, tvOS 12.0, *)
+@available(macOS 10.14, iOS 12.0, watchOS 6.0, tvOS 12.0, *)
 final class GRPCNetworkFrameworkTests: GRPCTestCase {
   private var server: Server!
   private var client: ClientConnection!
diff --git a/docs/tls.md b/docs/tls.md
index 74c872586..fd9a6f45a 100644
--- a/docs/tls.md
+++ b/docs/tls.md
@@ -4,13 +4,13 @@ gRPC Swift offers two TLS 'backends'. A 'NIOSSL' backend and a 'Network.framewor
 
 The NIOSSL backend is available on Darwin and Linux and delegates to SwiftNIO SSL. The
 Network.framework backend is available on recent Darwin platforms (macOS 10.14+, iOS 12+, tvOS 12+,
-and watchOS 5+) and uses the TLS implementation provided by Network.framework. Moreover, the
+and watchOS 6+) and uses the TLS implementation provided by Network.framework. Moreover, the
 Network.framework backend is only compatible with clients and servers using the `EventLoopGroup`
 provided by SwiftNIO Transport Services, `NIOTSEventLoopGroup`.
 
 |                             | NIOSSL backend                                       | Network.framework backend                   |
 |-----------------------------|------------------------------------------------------|---------------------------------------------|
-| Platform Availability       | Darwin and Linux                                     | macOS 10.14+, iOS 12+, tvOS 12+, watchOS 5+ |
+| Platform Availability       | Darwin and Linux                                     | macOS 10.14+, iOS 12+, tvOS 12+, watchOS 6+ |
 | Compatible `EventLoopGroup` | `MultiThreadedEventLoopGroup`, `NIOTSEventLoopGroup` | `NIOTSEventLoopGroup`                       |
 
 Note that on supported Darwin platforms users should the prefer using `NIOTSEventLoopGroup` and the