diff --git a/otelx/semconv/context_test.go b/otelx/semconv/context_test.go
index a68882fb..a1ea9f49 100644
--- a/otelx/semconv/context_test.go
+++ b/otelx/semconv/context_test.go
@@ -18,9 +18,9 @@ func TestAttributesFromContext(t *testing.T) {
 	ctx := context.Background()
 	assert.Len(t, AttributesFromContext(ctx), 0)
 
-	nid := uuid.Must(uuid.NewV4())
-	ctx = ContextWithAttributes(ctx, AttrNID(nid))
-	assert.Len(t, AttributesFromContext(ctx), 1)
+	nid, wsID := uuid.Must(uuid.NewV4()), uuid.Must(uuid.NewV4())
+	ctx = ContextWithAttributes(ctx, AttrNID(nid), AttrWorkspace(wsID))
+	assert.Len(t, AttributesFromContext(ctx), 2)
 
 	uid1, uid2 := uuid.Must(uuid.NewV4()), uuid.Must(uuid.NewV4())
 	location := httpx.GeoLocation{
@@ -30,9 +30,10 @@ func TestAttributesFromContext(t *testing.T) {
 	}
 	ctx = ContextWithAttributes(ctx, append(AttrGeoLocation(location), AttrIdentityID(uid1), AttrClientIP("127.0.0.1"), AttrIdentityID(uid2))...)
 	attrs := AttributesFromContext(ctx)
-	assert.Len(t, attrs, 6, "should deduplicate")
+	assert.Len(t, attrs, 7, "should deduplicate")
 	assert.Equal(t, []attribute.KeyValue{
 		attribute.String(AttributeKeyNID.String(), nid.String()),
+		attribute.String(AttributeKeyWorkspace.String(), wsID.String()),
 		attribute.String(AttributeKeyGeoLocationCity.String(), "Berlin"),
 		attribute.String(AttributeKeyGeoLocationCountry.String(), "Germany"),
 		attribute.String(AttributeKeyGeoLocationRegion.String(), "BE"),
diff --git a/otelx/semconv/events.go b/otelx/semconv/events.go
index 05e5e4b9..c1739191 100644
--- a/otelx/semconv/events.go
+++ b/otelx/semconv/events.go
@@ -30,6 +30,7 @@ const (
 	AttributeKeyGeoLocationCity    AttributeKey = "GeoLocationCity"
 	AttributeKeyGeoLocationRegion  AttributeKey = "GeoLocationRegion"
 	AttributeKeyGeoLocationCountry AttributeKey = "GeoLocationCountry"
+	AttributeKeyWorkspace          AttributeKey = "WorkspaceID"
 )
 
 func AttrIdentityID(val uuid.UUID) otelattr.KeyValue {
@@ -40,6 +41,10 @@ func AttrNID(val uuid.UUID) otelattr.KeyValue {
 	return otelattr.String(AttributeKeyNID.String(), val.String())
 }
 
+func AttrWorkspace(val uuid.UUID) otelattr.KeyValue {
+	return otelattr.String(AttributeKeyWorkspace.String(), val.String())
+}
+
 func AttrClientIP(val string) otelattr.KeyValue {
 	return otelattr.String(AttributeKeyClientIP.String(), val)
 }