diff --git a/plugins/out_opentelemetry/opentelemetry.c b/plugins/out_opentelemetry/opentelemetry.c
index 509aa1d7c78..2f7cc3a0156 100644
--- a/plugins/out_opentelemetry/opentelemetry.c
+++ b/plugins/out_opentelemetry/opentelemetry.c
@@ -753,6 +753,14 @@ static int flush_to_otel(struct opentelemetry_context *ctx,
     Opentelemetry__Proto__Logs__V1__ResourceLogs resource_log;
     Opentelemetry__Proto__Logs__V1__ResourceLogs *resource_logs[1];
     Opentelemetry__Proto__Logs__V1__ScopeLogs *scope_logs[1];
+    Opentelemetry__Proto__Common__V1__KeyValue **attributes_list;
+    Opentelemetry__Proto__Common__V1__KeyValue *attributes;
+    size_t kv_size = 0;
+    size_t kv_index;
+    size_t index;
+    struct mk_list *kv_head;
+    struct flb_kv *kv;
+
     void *body;
     unsigned len;
     int res;
@@ -769,6 +777,49 @@ static int flush_to_otel(struct opentelemetry_context *ctx,
     resource_log.n_scope_logs = 1;
     resource_logs[0] = &resource_log;
 
+    kv_size = mk_list_size(&(ctx->kv_labels));
+    if (kv_size > 0) {
+        attributes_list = flb_calloc(kv_size, sizeof(Opentelemetry__Proto__Common__V1__KeyValue *));
+        if (attributes_list == NULL) {
+            flb_errno();
+            return -1;
+        }
+        attributes = flb_calloc(kv_size, sizeof(Opentelemetry__Proto__Common__V1__KeyValue));
+        if (attributes == NULL) {
+            flb_errno();
+            flb_free(attributes_list);
+            return -1;
+        }
+        kv_index = 0;
+        mk_list_foreach(kv_head, &ctx->kv_labels) {
+            kv = mk_list_entry(kv_head, struct flb_kv, _head);
+            opentelemetry__proto__common__v1__key_value__init(&attributes[kv_index]);
+            attributes[kv_index].key = kv->key;
+            attributes[kv_index].value = otlp_any_value_initialize(MSGPACK_OBJECT_STR, 0);
+            if (attributes[kv_index].value == NULL) {
+                flb_errno();
+                // cleanup previous allocated values
+                for (index = 0; index < kv_index; index++) {
+                    flb_free(attributes[index].value);
+                }
+                flb_free(attributes);
+                flb_free(attributes_list);
+                return -1;
+            }
+            attributes[kv_index].value->string_value = kv->val;
+            attributes_list[kv_index] = &attributes[kv_index];
+            kv_index++;
+        }
+        resource_log.resource = flb_calloc(1, sizeof(Opentelemetry__Proto__Resource__V1__Resource));
+        if (resource_log.resource == NULL) {
+            flb_errno();
+            res = -1;
+            goto calloc_resource_fail;
+        }
+        opentelemetry__proto__resource__v1__resource__init(resource_log.resource);
+        resource_log.resource->n_attributes = kv_size;
+        resource_log.resource->attributes = attributes_list;
+    }
     export_logs.resource_logs = resource_logs;
     export_logs.n_resource_logs = 1;
 
@@ -788,6 +839,15 @@ static int flush_to_otel(struct opentelemetry_context *ctx,
                     ctx->logs_uri);
 
     flb_free(body);
+calloc_resource_fail:
+    for (index = 0; index < kv_size; index++) {
+        flb_free(attributes[index].value);
+    }
+    if (kv_size > 0) {
+        flb_free(resource_log.resource);
+        flb_free(attributes);
+        flb_free(attributes_list);
+    }
 
     return res;
 }