diff --git a/dbms/cmake/version.cmake b/dbms/cmake/version.cmake
index 332fa51ab26..a2decdff605 100644
--- a/dbms/cmake/version.cmake
+++ b/dbms/cmake/version.cmake
@@ -1,11 +1,11 @@
 # This strings autochanged from release_lib.sh:
-set(VERSION_REVISION 54425)
+set(VERSION_REVISION 54426)
 set(VERSION_MAJOR 19)
-set(VERSION_MINOR 14)
+set(VERSION_MINOR 15)
 set(VERSION_PATCH 1)
-set(VERSION_GITHASH adfc36917222bdb03eba069f0cad0f4f5b8f1c94)
-set(VERSION_DESCRIBE v19.14.1.1-prestable)
-set(VERSION_STRING 19.14.1.1)
+set(VERSION_GITHASH 6f1a8c37abe6ee4e7ee74c0b5cb9c05a87417b61)
+set(VERSION_DESCRIBE v19.15.1.1-prestable)
+set(VERSION_STRING 19.15.1.1)
 # end of autochange
 
 set(VERSION_EXTRA "" CACHE STRING "")
diff --git a/debian/changelog b/debian/changelog
index f1db1b81185..563be7c48eb 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,5 +1,5 @@
-clickhouse (19.13.1.1) unstable; urgency=low
+clickhouse (19.15.1.1) unstable; urgency=low
 
   * Modified source code
 
- -- clickhouse-release <clickhouse-release@yandex-team.ru>  Tue, 23 Jul 2019 11:20:49 +0300
+ -- clickhouse-release <clickhouse-release@yandex-team.ru>  Fri, 06 Sep 2019 17:58:30 +0300
diff --git a/docker/client/Dockerfile b/docker/client/Dockerfile
index 68cdf3f0204..9fde85b9fb0 100644
--- a/docker/client/Dockerfile
+++ b/docker/client/Dockerfile
@@ -1,7 +1,7 @@
 FROM ubuntu:18.04
 
 ARG repository="deb http://repo.yandex.ru/clickhouse/deb/stable/ main/"
-ARG version=19.13.1.*
+ARG version=19.15.1.*
 
 RUN apt-get update \
     && apt-get install --yes --no-install-recommends \
diff --git a/docker/server/Dockerfile b/docker/server/Dockerfile
index 934c1921a67..c65a0ddb550 100644
--- a/docker/server/Dockerfile
+++ b/docker/server/Dockerfile
@@ -1,7 +1,7 @@
 FROM ubuntu:18.04
 
 ARG repository="deb http://repo.yandex.ru/clickhouse/deb/stable/ main/"
-ARG version=19.13.1.*
+ARG version=19.15.1.*
 ARG gosu_ver=1.10
 
 RUN apt-get update \
diff --git a/docker/test/Dockerfile b/docker/test/Dockerfile
index 5c2bd25b48c..0106d877feb 100644
--- a/docker/test/Dockerfile
+++ b/docker/test/Dockerfile
@@ -1,7 +1,7 @@
 FROM ubuntu:18.04
 
 ARG repository="deb http://repo.yandex.ru/clickhouse/deb/stable/ main/"
-ARG version=19.13.1.*
+ARG version=19.15.1.*
 
 RUN apt-get update && \
     apt-get install -y apt-transport-https dirmngr && \
diff --git a/utils/github/__main__.py b/utils/github/__main__.py
index d5de241f25f..dd8ed692e1d 100644
--- a/utils/github/__main__.py
+++ b/utils/github/__main__.py
@@ -171,3 +171,8 @@ print(f'{CHECK_MARK} - good')
 print(f'{CROSS_MARK} - bad')
 print(f'{LABEL_MARK} - backport is detected via label')
 print(f'{CLOCK_MARK} - backport is waiting to merge')
+
+# print API costs
+print('\nGitHub API total costs per query:')
+for name, value in github.api_costs.items():
+    print(f'{name} : {value}')
diff --git a/utils/github/query.py b/utils/github/query.py
index dae4fd062d5..5810e3bb40a 100644
--- a/utils/github/query.py
+++ b/utils/github/query.py
@@ -11,9 +11,9 @@ class Query:
         self._token = token
         self._max_page_size = max_page_size
         self._min_page_size = min_page_size
+        self.api_costs = {}
 
     _MEMBERS = '''
-    {{
         organization(login: "{organization}") {{
             team(slug: "{team}") {{
                 members(first: {max_page_size} {next}) {{
@@ -27,7 +27,6 @@ class Query:
                 }}
             }}
         }}
-    }}
     '''
     def get_members(self, organization, team):
         '''Get all team members for organization
@@ -58,7 +57,6 @@ class Query:
         return logins
 
     _LABELS = '''
-    {{
         repository(owner: "yandex" name: "ClickHouse") {{
             pullRequest(number: {number}) {{
                 labels(first: {max_page_size} {next}) {{
@@ -73,7 +71,6 @@ class Query:
                 }}
             }}
         }}
-    }}
     '''
     def get_labels(self, pull_request):
         '''Fetchs all labels for given pull-request
@@ -102,7 +99,6 @@ class Query:
         return labels
 
     _TIMELINE = '''
-    {{
         repository(owner: "yandex" name: "ClickHouse") {{
             pullRequest(number: {number}) {{
                 timeline(first: {max_page_size} {next}) {{
@@ -140,7 +136,6 @@ class Query:
                 }}
             }}
         }}
-    }}
     '''
     def get_timeline(self, pull_request):
         '''Fetchs all cross-reference events from pull-request's timeline
@@ -169,7 +164,6 @@ class Query:
         return events
 
     _PULL_REQUESTS = '''
-    {{
         repository(owner: "yandex" name: "ClickHouse") {{
             defaultBranchRef {{
                 name
@@ -248,7 +242,6 @@ class Query:
                 }}
             }}
         }}
-    }}
     '''
     def get_pull_requests(self, before_commit, login):
         '''Get all merged pull-requests from the HEAD of default branch to the last commit (excluding)
@@ -294,13 +287,11 @@ class Query:
         return pull_requests
 
     _DEFAULT = '''
-    {
         repository(owner: "yandex", name: "ClickHouse") {
             defaultBranchRef {
                 name
             }
         }
-    }
     '''
     def get_default_branch(self):
         '''Get short name of the default branch
@@ -334,11 +325,27 @@ class Query:
             return session
 
         headers = {'Authorization': f'bearer {self._token}'}
+        query = f'''
+        {{
+            {query}
+            rateLimit {{
+                cost
+                remaining
+            }}
+        }}
+        '''
         request = requests_retry_session().post('https://api.github.com/graphql', json={'query': query}, headers=headers)
         if request.status_code == 200:
             result = request.json()
             if 'errors' in result:
                 raise Exception(f'Errors occured: {result["errors"]}')
+
+            import inspect
+            caller = inspect.getouterframes(inspect.currentframe(), 2)[1][3]
+            if caller not in self.api_costs.keys():
+                self.api_costs[caller] = 0
+            self.api_costs[caller] += result['data']['rateLimit']['cost']
+
             return result['data']
         else:
             import json