diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index 84bbecc32303..e72749634dcf 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -322,26 +322,26 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_desc = "Data Collect Protocols of Apache SkyWalking",
         project_url = "https://github.com/apache/skywalking-data-collect-protocol",
         name = "skywalking_data_collect_protocol",
-        sha256 = "edfa970394511213eacc8055b4c13e4e9773e9196122a49e0db68f6162f67dff",
+        sha256 = "d967c1b6e78db017e0c28291211baf4a58c02ff4d4437560285165963dd4a9d0",
         urls = ["https://github.com/apache/skywalking-data-collect-protocol/archive/v{version}.tar.gz"],
         strip_prefix = "skywalking-data-collect-protocol-{version}",
-        version = "8.4.0",
+        version = "8.6.0",
         use_category = ["observability_ext"],
         extensions = ["envoy.tracers.skywalking"],
-        release_date = "2021-02-01",
+        release_date = "2021-06-07",
         cpe = "N/A",
     ),
     com_github_skyapm_cpp2sky = dict(
         project_name = "cpp2sky",
         project_desc = "C++ SDK for Apache SkyWalking",
         project_url = "https://github.com/SkyAPM/cpp2sky",
-        sha256 = "76117a63cf29355c28a75bc83bd1d7e5bc004039445e7c854ee752dfe66094e6",
-        version = "0.2.1",
+        sha256 = "f65b1054bd6eadadff0618f272f6d645a1ec933fa14af922a8e3c39603e45eaf",
+        version = "0.3.1",
         strip_prefix = "cpp2sky-{version}",
         urls = ["https://github.com/SkyAPM/cpp2sky/archive/v{version}.tar.gz"],
         use_category = ["observability_ext"],
         extensions = ["envoy.tracers.skywalking"],
-        release_date = "2021-03-24",
+        release_date = "2021-06-17",
         cpe = "N/A",
     ),
     com_github_datadog_dd_opentracing_cpp = dict(
diff --git a/examples/skywalking-tracing/docker-compose.yaml b/examples/skywalking-tracing/docker-compose.yaml
index 9ae58205f4e7..6962e59e0adc 100644
--- a/examples/skywalking-tracing/docker-compose.yaml
+++ b/examples/skywalking-tracing/docker-compose.yaml
@@ -56,7 +56,7 @@ services:
         soft: -1
         hard: -1
   skywalking-oap:
-    image: apache/skywalking-oap-server:8.4.0-es7
+    image: apache/skywalking-oap-server:8.6.0-es7
     networks:
     - envoymesh
     depends_on:
@@ -72,7 +72,7 @@ services:
       start_period: 40s
     restart: on-failure
   skywalking-ui:
-    image: apache/skywalking-ui:8.4.0
+    image: apache/skywalking-ui:8.6.0
     networks:
     - envoymesh
     depends_on: