diff --git a/config.json b/config.json
index 237e9c55a..699b7e925 100644
--- a/config.json
+++ b/config.json
@@ -4508,8 +4508,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-android",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.Android",
         "type": "androidlibrary",
         "mavenRepositoryType": "MavenCentral"
@@ -4517,8 +4517,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-api",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.Api",
         "type": "androidlibrary",
         "mavenRepositoryType": "MavenCentral"
@@ -4526,8 +4526,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-context",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.Context",
         "type": "androidlibrary",
         "mavenRepositoryType": "MavenCentral"
@@ -4535,8 +4535,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-core",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.Core",
         "type": "androidlibrary",
         "mavenRepositoryType": "MavenCentral"
@@ -4544,8 +4544,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-okhttp",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.OkHttp",
         "type": "androidlibrary",
         "mavenRepositoryType": "MavenCentral"
@@ -4553,8 +4553,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-protobuf-lite",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.Protobuf.Lite",
         "type": "androidlibrary",
         "mavenRepositoryType": "MavenCentral"
@@ -4562,8 +4562,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-stub",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.Stub",
         "type": "androidlibrary",
         "mavenRepositoryType": "MavenCentral"
@@ -4571,8 +4571,8 @@
       {
         "groupId": "io.grpc",
         "artifactId": "grpc-util",
-        "version": "1.63.2",
-        "nugetVersion": "1.63.2.3",
+        "version": "1.64.2",
+        "nugetVersion": "1.64.2",
         "nugetId": "Xamarin.Grpc.Util",
         "excludedRuntimeDependencies": "io.grpc.grpc-core,junit.junit,io.grpc.grpc-testing,org.mockito.mockito-core",
         "type": "androidlibrary",
diff --git a/source/io.grpc/grpc-api/Transforms/Metadata.xml b/source/io.grpc/grpc-api/Transforms/Metadata.xml
index dfa5b816d..a9de4e101 100644
--- a/source/io.grpc/grpc-api/Transforms/Metadata.xml
+++ b/source/io.grpc/grpc-api/Transforms/Metadata.xml
@@ -114,4 +114,34 @@
         path="/api/package[@name='io.grpc']/class[@name='ForwardingChannelBuilder']/method[@name='delegate' and count(parameter)=0]"
         />
         
+    <remove-node
+        path="/api/package[@name='io.grpc']/interface[@name='InternalServiceProviders.PriorityAccessor']/typeParameters"
+        />
+        
+    <attr
+        path="/api/package[@name='io.grpc']/class[@name='InternalConfigSelector.Result']/method[@name='getInterceptor' and count(parameter)=0]"
+        name="propertyName"
+        ></attr>
+    <attr
+        path="/api/package[@name='io.grpc']/class[@name='InternalChannelz.ChannelTrace.Event']/method[@name='setSeverity']"
+        name="propertyName"
+        ></attr>
+
+    <remove-node
+        path="/api/package[@name='io.grpc']/interface[@name='ServiceProviders.PriorityAccessor']/typeParameters"
+        />
+
+    <attr
+        path="/api/package[@name='io.grpc']/class[@name='InternalChannelz.ChannelTrace.Event']"
+        name="managedName"
+        >
+        EventData
+    </attr>
+    <attr
+        path="/api/package[@name='io.grpc']/class[@name='InternalChannelz.ChannelTrace.Event.Severity']"
+        name="managedName"
+        >
+        SeverityData
+    </attr>
+
 </metadata>
\ No newline at end of file