diff --git a/src/Grafana.OpenTelemetry.Base/MeterProviderBuilderExtensions.cs b/src/Grafana.OpenTelemetry.Base/MeterProviderBuilderExtensions.cs
index 1a228b3..bdf639e 100644
--- a/src/Grafana.OpenTelemetry.Base/MeterProviderBuilderExtensions.cs
+++ b/src/Grafana.OpenTelemetry.Base/MeterProviderBuilderExtensions.cs
@@ -31,6 +31,12 @@ public static MeterProviderBuilder UseGrafana(this MeterProviderBuilder builder,
 
             GrafanaOpenTelemetryEventSource.Log.InitializeDistribution(settings);
 
+            // Default to using stable HTTP semantic conventions
+            if (Environment.GetEnvironmentVariable("OTEL_SEMCONV_STABILITY_OPT_IN") == null)
+            {
+                Environment.SetEnvironmentVariable("OTEL_SEMCONV_STABILITY_OPT_IN", "http");
+            }
+
             return builder
                 .AddGrafanaExporter(settings?.ExporterSettings)
                 .AddInstrumentations(settings?.Instrumentations)
diff --git a/src/Grafana.OpenTelemetry.Base/OpenTelemetryLoggerOptionsExtensions.cs b/src/Grafana.OpenTelemetry.Base/OpenTelemetryLoggerOptionsExtensions.cs
index b4f8a2b..3ca5fb3 100644
--- a/src/Grafana.OpenTelemetry.Base/OpenTelemetryLoggerOptionsExtensions.cs
+++ b/src/Grafana.OpenTelemetry.Base/OpenTelemetryLoggerOptionsExtensions.cs
@@ -32,6 +32,12 @@ public static OpenTelemetryLoggerOptions UseGrafana(this OpenTelemetryLoggerOpti
 
             GrafanaOpenTelemetryEventSource.Log.InitializeDistribution(settings);
 
+            // Default to using stable HTTP semantic conventions
+            if (Environment.GetEnvironmentVariable("OTEL_SEMCONV_STABILITY_OPT_IN") == null)
+            {
+                Environment.SetEnvironmentVariable("OTEL_SEMCONV_STABILITY_OPT_IN", "http");
+            }
+
             var resourceBuilder = ResourceBuilder
                 .CreateDefault()
                 .AddGrafanaResource(settings);
diff --git a/src/Grafana.OpenTelemetry.Base/TracerProviderBuilderExtensions.cs b/src/Grafana.OpenTelemetry.Base/TracerProviderBuilderExtensions.cs
index f39484e..bc0da04 100644
--- a/src/Grafana.OpenTelemetry.Base/TracerProviderBuilderExtensions.cs
+++ b/src/Grafana.OpenTelemetry.Base/TracerProviderBuilderExtensions.cs
@@ -31,6 +31,12 @@ public static TracerProviderBuilder UseGrafana(this TracerProviderBuilder builde
 
             GrafanaOpenTelemetryEventSource.Log.InitializeDistribution(settings);
 
+            // Default to using stable HTTP semantic conventions
+            if (Environment.GetEnvironmentVariable("OTEL_SEMCONV_STABILITY_OPT_IN") == null)
+            {
+                Environment.SetEnvironmentVariable("OTEL_SEMCONV_STABILITY_OPT_IN", "http");
+            }
+
             return builder
                 .AddGrafanaExporter(settings?.ExporterSettings)
                 .AddInstrumentations(settings?.Instrumentations)