diff --git a/lib/activejob/traceable/traceable.rb b/lib/activejob/traceable/traceable.rb
index ede0577..a6e7044 100644
--- a/lib/activejob/traceable/traceable.rb
+++ b/lib/activejob/traceable/traceable.rb
@@ -37,8 +37,8 @@ def deserialize(job_data)
     def add_telemetry_data!
       if ENV["OTEL_EXPORTER_OTLP_ENDPOINT"].present?
         current_span = OpenTelemetry::Trace.current_span
-        @tracing_info[:trace_id] = current_span.context.trace_id.unpack1("H*")
-        @tracing_info[:span_id] = current_span.context.span_id.unpack1("H*")
+        @tracing_info["trace_id"] = current_span.context.trace_id.unpack1("H*")
+        @tracing_info["span_id"] = current_span.context.span_id.unpack1("H*")
       end
     end
 
diff --git a/lib/activejob/traceable/version.rb b/lib/activejob/traceable/version.rb
index 2530111..d141796 100644
--- a/lib/activejob/traceable/version.rb
+++ b/lib/activejob/traceable/version.rb
@@ -2,6 +2,6 @@
 
 module ActiveJob
   module Traceable
-    VERSION = '0.4.1'
+    VERSION = '0.4.2'
   end
 end