diff --git a/platformio/__init__.py b/platformio/__init__.py
index da070c90..c77314ae 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-VERSION = (4, 2, "0rc1")
+VERSION = (4, 2, "0rc2")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"
diff --git a/platformio/managers/core.py b/platformio/managers/core.py
index 813cac05..648ec9c3 100644
--- a/platformio/managers/core.py
+++ b/platformio/managers/core.py
@@ -24,7 +24,7 @@ from platformio.proc import copy_pythonpath_to_osenv, get_pythonexe_path
 from platformio.project.config import ProjectConfig
 
 CORE_PACKAGES = {
-    "contrib-piohome": ">=3.1.0-rc.2,<3.2.0",
+    "contrib-piohome": ">=3.1.0-rc.3,<3.2.0",
     "contrib-pysite": "~2.%d%d.0" % (sys.version_info[0], sys.version_info[1]),
     "tool-pioplus": "^2.6.1",
     "tool-unity": "~1.20500.0",