diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 58839686..f8123e23 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.5", "3.6", "3.7", "3.8"]
+        python-version: ["3.7", "3.8", "3.9", "3.10"]
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 00000000..6d19135d
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,10 @@
+# Report a security issue
+
+To report a security issue, please use https://g.co/vulnz. We use
+https://g.co/vulnz for our intake, and do coordination and disclosure here on
+GitHub (including using GitHub Security Advisory). The Google Security Team will
+respond within 5 working days of your report on g.co/vulnz.
+
+To contact us about other bugs, please open an issue on GitHub.
+
+> **Note**: This file is synchronized from the https://github.com/googlemaps/.github repository.
diff --git a/googlemaps/__init__.py b/googlemaps/__init__.py
index 63665644..ffde203b 100644
--- a/googlemaps/__init__.py
+++ b/googlemaps/__init__.py
@@ -15,7 +15,7 @@
 # the License.
 #
 
-__version__ = "4.5.3"
+__version__ = "4.6.0"
 
 from googlemaps.client import Client
 from googlemaps import exceptions
diff --git a/googlemaps/geocoding.py b/googlemaps/geocoding.py
index b665d776..e409a49e 100644
--- a/googlemaps/geocoding.py
+++ b/googlemaps/geocoding.py
@@ -19,7 +19,7 @@
 from googlemaps import convert
 
 
-def geocode(client, address=None, components=None, bounds=None, region=None,
+def geocode(client, address=None, place_id=None, components=None, bounds=None, region=None,
             language=None):
     """
     Geocoding is the process of converting addresses
@@ -30,6 +30,10 @@ def geocode(client, address=None, components=None, bounds=None, region=None,
     :param address: The address to geocode.
     :type address: string
 
+    :param place_id: A textual identifier that uniquely identifies a place,
+        returned from a Places search.
+    :type place_id: string
+
     :param components: A component filter for which you wish to obtain a
         geocode, for example: ``{'administrative_area': 'TX','country': 'US'}``
     :type components: dict
@@ -53,6 +57,9 @@ def geocode(client, address=None, components=None, bounds=None, region=None,
     if address:
         params["address"] = address
 
+    if place_id:
+        params["place_id"] = place_id
+
     if components:
         params["components"] = convert.components(components)
 
diff --git a/noxfile.py b/noxfile.py
index 06eefe58..d3357fe4 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,6 +1,6 @@
 import nox
 
-SUPPORTED_PY_VERSIONS = ["3.5", "3.6", "3.7", "3.8"]
+SUPPORTED_PY_VERSIONS = ["3.7", "3.8", "3.9", "3.10"]
 
 
 def _install_dev_packages(session):
diff --git a/setup.py b/setup.py
index be29f9b1..8826822d 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 
 setup(
     name="googlemaps",
-    version="4.5.3",
+    version="4.6.0",
     description="Python client library for Google Maps Platform",
     long_description=readme + changelog,
     long_description_content_type="text/markdown",
diff --git a/tests/test_geocoding.py b/tests/test_geocoding.py
index dfd9376d..813241f6 100644
--- a/tests/test_geocoding.py
+++ b/tests/test_geocoding.py
@@ -201,6 +201,25 @@ def test_geocode_with_just_components(self):
             responses.calls[0].request.url,
         )
 
+    @responses.activate
+    def test_geocode_place_id(self):
+        responses.add(
+            responses.GET,
+            "https://maps.googleapis.com/maps/api/geocode/json",
+            body='{"status":"OK","results":[]}',
+            status=200,
+            content_type="application/json",
+        )
+
+        results = self.client.geocode(place_id="ChIJeRpOeF67j4AR9ydy_PIzPuM")
+
+        self.assertEqual(1, len(responses.calls))
+        self.assertURLEqual(
+            "https://maps.googleapis.com/maps/api/geocode/json?"
+            "key=%s&place_id=ChIJeRpOeF67j4AR9ydy_PIzPuM" % self.key,
+            responses.calls[0].request.url,
+            )
+
     @responses.activate
     def test_simple_reverse_geocode(self):
         responses.add(