diff --git a/.travis.yml b/.travis.yml
index 499f4225..9e9c826f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,3 +33,5 @@ matrix:
       env: TOXENV=py36
     - python: pypy
       env: TOXENV=pypy
+notifications:
+  slack: ets-labs:g9OU0r5PXjA5ueeoQw01dVvV
diff --git a/docs/main/changelog.rst b/docs/main/changelog.rst
index 15ca038c..7f9841bd 100644
--- a/docs/main/changelog.rst
+++ b/docs/main/changelog.rst
@@ -7,6 +7,10 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+3.8.1
+-----
+- Fix padding problem in code samples in docs.
+
 3.8.0
 -----
 - Add ``DeclarativeContainer.containers`` attribute that stores dictionary of
diff --git a/requirements-doc.txt b/requirements-doc.txt
index 2a3b9cb6..b7bb6be6 100644
--- a/requirements-doc.txt
+++ b/requirements-doc.txt
@@ -1,5 +1,5 @@
 sphinx
-sphinx_rtd_theme
+sphinx_rtd_theme>=0.2.5b1
 sphinx_autobuild
 sphinxcontrib-disqus
 autodoc
diff --git a/src/dependency_injector/__init__.py b/src/dependency_injector/__init__.py
index daa64598..c251f296 100644
--- a/src/dependency_injector/__init__.py
+++ b/src/dependency_injector/__init__.py
@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.8.0'
+__version__ = '3.8.1'
 """Version number that follows semantic versioning.
 
 :type: str