diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ef88df5d2f43e51491ad77c8543fe9bcd8d2b53..f9f57d74e19c896d7713ce619ce8e166061176ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1 @@
-# v2.15.5
-
-* added `expect_exception`
+# v2.15.6
diff --git a/satella/__init__.py b/satella/__init__.py
index c9353a9f1740a4a5a7200c7014798fef2a934671..a493016be145d735775ab576c0dafc152a1d033d 100644
--- a/satella/__init__.py
+++ b/satella/__init__.py
@@ -1 +1 @@
-__version__ = '2.15.5'
+__version__ = '2.15.6a1'