diff --git a/github/Repository.py b/github/Repository.py
index 55ae5862..18c852ad 100644
--- a/github/Repository.py
+++ b/github/Repository.py
@@ -670,6 +670,14 @@ class Repository(github.GithubObject.CompletableGithubObject):
         self._completeIfNotSet(self._teams_url)
         return self._teams_url.value
 
+    @property
+    def topics(self):
+        """
+        :type: list of strings
+        """
+        self._completeIfNotSet(self._topics)
+        return self._topics.value
+
     @property
     def trees_url(self):
         """
@@ -2304,6 +2312,18 @@ class Repository(github.GithubObject.CompletableGithubObject):
             None
         )
 
+    def get_topics(self):
+        """
+        :calls: `GET /repos/:owner/:repo/topics <https://developer.github.com/v3/repos/#list-all-topics-for-a-repository>`_
+        :rtype: list of strings
+        """
+        headers, data = self._requester.requestJsonAndCheck(
+            "GET",
+            self.url + "/topics",
+            headers={'Accept': 'application/vnd.github.mercy-preview+json'}
+        )
+        return data['names']
+
     def get_watchers(self):
         """
         :calls: `GET /repos/:owner/:repo/watchers <http://developer.github.com/v3/activity/starring>`_
@@ -2426,6 +2446,22 @@ class Repository(github.GithubObject.CompletableGithubObject):
             input=post_parameters
         )
 
+    def replace_topics(self, topics):
+        """
+        :calls: `PUT /repos/:owner/:repo/topics <http://developer.github.com/v3/repos>`_
+        :param topics: list of strings
+        :rtype: None
+        """
+        post_parameters = {
+            'names': topics
+        }
+        headers, data = self._requester.requestJsonAndCheck(
+            "PUT",
+            self.url + "/topics",
+            headers={'Accept': 'application/vnd.github.mercy-preview+json'},
+            input=post_parameters
+        )
+
     def remove_from_collaborators(self, collaborator):
         """
         :calls: `DELETE /repos/:owner/:repo/collaborators/:user <http://developer.github.com/v3/repos/collaborators>`_
@@ -2564,6 +2600,7 @@ class Repository(github.GithubObject.CompletableGithubObject):
         self._svn_url = github.GithubObject.NotSet
         self._tags_url = github.GithubObject.NotSet
         self._teams_url = github.GithubObject.NotSet
+        self._topics = github.GithubObject.NotSet
         self._trees_url = github.GithubObject.NotSet
         self._updated_at = github.GithubObject.NotSet
         self._url = github.GithubObject.NotSet
@@ -2709,6 +2746,8 @@ class Repository(github.GithubObject.CompletableGithubObject):
             self._teams_url = self._makeStringAttribute(attributes["teams_url"])
         if "trees_url" in attributes:  # pragma no branch
             self._trees_url = self._makeStringAttribute(attributes["trees_url"])
+        if "topics" in attributes: # pragma no branch
+            self._topics = self._makeListOfStringsAttribute(attributes["topics"])
         if "updated_at" in attributes:  # pragma no branch
             self._updated_at = self._makeDatetimeAttribute(attributes["updated_at"])
         if "url" in attributes:  # pragma no branch
diff --git a/github/tests/ReplayData/Repository.testGetTopics.txt b/github/tests/ReplayData/Repository.testGetTopics.txt
new file mode 100644
index 00000000..ea6095df
--- /dev/null
+++ b/github/tests/ReplayData/Repository.testGetTopics.txt
@@ -0,0 +1,11 @@
+https
+GET
+api.github.com
+None
+/repos/jacquev6/PyGithub/topics
+{'Authorization': 'Basic login_and_password_removed', 'Accept': 'application/vnd.github.mercy-preview+json', 'User-Agent': 'PyGithub/Python'}
+None
+200
+[('content-length', '30'), ('x-runtime-rack', '0.081855'), ('vary', 'Accept, Authorization, Cookie, X-GitHub-OTP'), ('x-xss-protection', '1; mode=block'), ('x-content-type-options', 'nosniff'), ('etag', '"c34823528b2c41eadf247bcea3b7dabc"'), ('cache-control', 'private, max-age=60, s-maxage=60'), ('referrer-policy', 'origin-when-cross-origin, strict-origin-when-cross-origin'), ('status', '200 OK'), ('x-ratelimit-remaining', '4994'), ('x-github-media-type', 'github.mercy-preview; format=json'), ('access-control-expose-headers', 'ETag, Link, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval'), ('x-github-request-id', '4C20:5398:FE4A88:26DA323:5AD7F450'), ('date', 'Thu, 19 Apr 2018 01:43:45 GMT'), ('access-control-allow-origin', '*'), ('content-security-policy', "default-src 'none'"), ('strict-transport-security', 'max-age=31536000; includeSubdomains; preload'), ('server', 'GitHub.com'), ('x-ratelimit-limit', '5000'), ('x-frame-options', 'deny'), ('content-type', 'application/json; charset=utf-8'), ('x-ratelimit-reset', '1524105758')]
+{"names":["testing","github"]}
+
diff --git a/github/tests/ReplayData/Repository.testReplaceTopics.txt b/github/tests/ReplayData/Repository.testReplaceTopics.txt
new file mode 100644
index 00000000..9689b81f
--- /dev/null
+++ b/github/tests/ReplayData/Repository.testReplaceTopics.txt
@@ -0,0 +1,11 @@
+https
+PUT
+api.github.com
+None
+/repos/jacquev6/PyGithub/topics
+{'Content-Type': 'application/json', 'Authorization': 'Basic login_and_password_removed', 'Accept': 'application/vnd.github.mercy-preview+json', 'User-Agent': 'PyGithub/Python'}
+{"names": ["github", "testing"]}
+200
+[('content-length', '30'), ('x-runtime-rack', '0.081855'), ('vary', 'Accept, Authorization, Cookie, X-GitHub-OTP'), ('x-xss-protection', '1; mode=block'), ('x-content-type-options', 'nosniff'), ('etag', '"c34823528b2c41eadf247bcea3b7dabc"'), ('cache-control', 'private, max-age=60, s-maxage=60'), ('referrer-policy', 'origin-when-cross-origin, strict-origin-when-cross-origin'), ('status', '200 OK'), ('x-ratelimit-remaining', '4994'), ('x-github-media-type', 'github.mercy-preview; format=json'), ('access-control-expose-headers', 'ETag, Link, Retry-After, X-GitHub-OTP, X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset, X-OAuth-Scopes, X-Accepted-OAuth-Scopes, X-Poll-Interval'), ('x-github-request-id', '4C20:5398:FE4A88:26DA323:5AD7F450'), ('date', 'Thu, 19 Apr 2018 01:43:45 GMT'), ('access-control-allow-origin', '*'), ('content-security-policy', "default-src 'none'"), ('strict-transport-security', 'max-age=31536000; includeSubdomains; preload'), ('server', 'GitHub.com'), ('x-ratelimit-limit', '5000'), ('x-frame-options', 'deny'), ('content-type', 'application/json; charset=utf-8'), ('x-ratelimit-reset', '1524105758')]
+{"names": ["testing","github"]}
+
diff --git a/github/tests/Repository.py b/github/tests/Repository.py
index 80cdfc3f..910aa68f 100644
--- a/github/tests/Repository.py
+++ b/github/tests/Repository.py
@@ -82,6 +82,7 @@ class Repository(Framework.TestCase):
         self.assertEqual(self.repo.source, None)
         self.assertEqual(self.repo.ssh_url, "git@github.com:jacquev6/PyGithub.git")
         self.assertEqual(self.repo.svn_url, "https://github.com/jacquev6/PyGithub")
+        self.assertEqual(self.repo.topics, None)
         self.assertEqual(self.repo.updated_at, datetime.datetime(2012, 5, 27, 6, 55, 28))
         self.assertEqual(self.repo.url, "https://api.github.com/repos/jacquev6/PyGithub")
         self.assertEqual(self.repo.watchers, 15)
@@ -711,6 +712,13 @@ class Repository(Framework.TestCase):
     def testGetLicense(self):
         self.assertEqual(len(self.repo.get_license().content), 47646)
 
+    def testGetTopics(self):
+        topic_list = self.repo.get_topics()
+        topic = u'github'
+        self.assertIn(topic, topic_list)
+
+    def testReplaceTopics(self):
+        self.repo.replace_topics(['github', 'testing'])
 
 class LazyRepository(Framework.TestCase):