diff --git a/HISTORY.rst b/HISTORY.rst
index 006d199..dddad4d 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,6 +2,7 @@
 History
 =======
 
+* Telegram notification integration
 * Improved serialization to JSON
 * When failing to do WAM because of not enough food - buy food
 * Buy food buys 48h worth instead of 24h energy
diff --git a/erepublik/classes.py b/erepublik/classes.py
index ec615a3..0bcc7fc 100644
--- a/erepublik/classes.py
+++ b/erepublik/classes.py
@@ -173,22 +173,19 @@ class SlowRequests(Session):
     timeout = datetime.timedelta(milliseconds=500)
     uas = [
         # Chrome
-        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
-        'Chrome/73.0.3683.103 Safari/537.36',
-        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
-        'Chrome/72.0.3626.13 Safari/537.36',
-        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
-        'Chrome/71.0.3578.98 Safari/537.36',
-        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36',
-        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.11 Safari/537.36',
-        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36',
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36',
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36',
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.80 Safari/537.36',
+        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36',
+        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.132 Safari/537.36',
+        'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.80 Safari/537.36',
         # FireFox
-        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0',
-        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0',
-        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0',
-        'Mozilla/5.0 (X11; Linux x86_64; rv:66.0) Gecko/20100101 Firefox/66.0',
-        'Mozilla/5.0 (X11; Linux x86_64; rv:65.0) Gecko/20100101 Firefox/65.0',
-        'Mozilla/5.0 (X11; Linux x86_64; rv:64.0) Gecko/20100101 Firefox/64.0',
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0',
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0',
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0',
+        'Mozilla/5.0 (X11; Linux x86_64; rv:69.0) Gecko/20100101 Firefox/69.0',
+        'Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0',
+        'Mozilla/5.0 (X11; Linux x86_64; rv:67.0) Gecko/20100101 Firefox/67.0',
     ]
     debug = False
 
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6fdbc4d..32a56ca 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,12 +5,10 @@ watchdog==0.9.0
 flake8==3.7.8
 tox==3.13.2
 coverage==4.5.3
-Sphinx==2.1.2
-twine==1.13.0
-ipython==7.6.1
-PyInstaller==3.5
+Sphinx==2.2.0
+twine==2.0.0
+ipython
+PyInstaller
 pytz==2019.1
 requests==2.22.0
-pycryptodome==3.8.2
-python-slugify==2.0.1
 edx-sphinx-theme
diff --git a/setup.py b/setup.py
index 35efe57..3207df1 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@ with open('README.rst') as readme_file:
 with open('HISTORY.rst') as history_file:
     history = history_file.read()
 
-requirements = ['pytz==2019.1', 'requests==2.22.0']
+requirements = ['pytz==2019.2', 'requests==2.22.0']
 
 setup_requirements = [ ]