diff --git a/lib/devcycle-ruby-server-sdk/localbucketing/bucketing-lib.release.wasm b/lib/devcycle-ruby-server-sdk/localbucketing/bucketing-lib.release.wasm
index 6ac5e6a..c7b79d5 100644
Binary files a/lib/devcycle-ruby-server-sdk/localbucketing/bucketing-lib.release.wasm and b/lib/devcycle-ruby-server-sdk/localbucketing/bucketing-lib.release.wasm differ
diff --git a/lib/devcycle-ruby-server-sdk/localbucketing/local_bucketing.rb b/lib/devcycle-ruby-server-sdk/localbucketing/local_bucketing.rb
index fec5c44..c49c79c 100644
--- a/lib/devcycle-ruby-server-sdk/localbucketing/local_bucketing.rb
+++ b/lib/devcycle-ruby-server-sdk/localbucketing/local_bucketing.rb
@@ -121,10 +121,10 @@ def close
     sig { params(user: UserData).returns(BucketedUserConfig) }
     def generate_bucketed_config(user)
       @wasm_mutex.synchronize do
-        user_addr = malloc_asc_string(user.to_json)
+        user_addr = malloc_asc_byte_array(user.to_json)
         @@stack_tracer = @@stack_tracer_raise
-        config_addr = @@instance.invoke("generateBucketedConfigForUser", @sdkKeyAddr, user_addr)
-        bucketed_config_json = read_asc_string(config_addr)
+        config_addr = @@instance.invoke("generateBucketedConfigForUserUTF8", @sdkKeyAddr, user_addr)
+        bucketed_config_json = read_asc_byte_array(config_addr)
         bucketed_config_hash = Oj.load(bucketed_config_json)
 
         BucketedUserConfig.new(bucketed_config_hash['project'],
diff --git a/lib/devcycle-ruby-server-sdk/version.rb b/lib/devcycle-ruby-server-sdk/version.rb
index bf583cb..197f1b9 100644
--- a/lib/devcycle-ruby-server-sdk/version.rb
+++ b/lib/devcycle-ruby-server-sdk/version.rb
@@ -11,5 +11,5 @@
 =end
 
 module DevCycle
-  VERSION = '2.2.0'
+  VERSION = '2.2.1'
 end