diff --git a/Makefile b/Makefile
index a7bb654..714fdff 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-ELASTICMOCK_VERSION='2.3.0'
+ELASTICMOCK_VERSION='3.0.0'
 
 install:
 	pip install -r requirements.txt
diff --git a/setup.py b/setup.py
index 9cf3905..f31060b 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 import setuptools
 
-__version__ = '2.3.0'
+__version__ = '3.0.0'
 
 # read the contents of your readme file
 from os import path
diff --git a/tox.ini b/tox.ini
index 64a1368..c247cac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,14 @@
 # content of: tox.ini , put in same dir as setup.py
 [tox]
 envlist =
-    py36-elasticsearch{1,2,5,6,7}
-    py37-elasticsearch{1,2,5,6,7}
     py38-elasticsearch{1,2,5,6,7}
+    py39-elasticsearch{1,2,5,6,7}
+    py310-elasticsearch{1,2,5,6,7}
 
 [testenv]
 deps =
     parameterized
-    pytest==4.6.9
+    pytest==6.2.5
     pytest-cov==2.8.1
     elasticsearch1: elasticsearch ==1.9.0
     elasticsearch2: elasticsearch >=2.0.0, <5.0.0