diff --git a/HISTORY.rst b/HISTORY.rst
index f2f2c06..006d199 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,6 +2,15 @@
 History
 =======
 
+* 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
+
+0.15.3 (2019-08-24)
+-------------------
+
+* Update after eRepublik changed campaign apis
+
 
 0.15.0 (2019-07-30)
 -------------------
diff --git a/tox.ini b/tox.ini
index 1e8e194..916f9ed 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,6 @@ envlist =  py36, py37, flake8
 [travis]
 python =
     3.7: py37
-    3.6: py36
 
 [testenv:flake8]
 basepython = python