diff --git a/docs/changelog.md b/docs/changelog.md
index 8b2179d..d135a57 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+### 1.6.10 - Fixed dependencies 2
+
+Fixed `six` dependency: also declared as a setup dependency.
+
 ### 1.6.9 - Fixed dependencies
 
 Added missing `six` dependency explicitly.
diff --git a/setup.py b/setup.py
index 961c591..46b5e73 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 # *************** Dependencies *********
 INSTALL_REQUIRES = ['funcsigs;python_version<"3.3"', 'six']
 DEPENDENCY_LINKS = []
-SETUP_REQUIRES = ['pytest-runner', 'setuptools_scm', 'pypandoc', 'pandoc']
+SETUP_REQUIRES = ['pytest-runner', 'setuptools_scm', 'pypandoc', 'pandoc', 'six']
 TESTS_REQUIRE = ['pytest', 'pytest-logging', 'pytest-cov', 'pytest-cases']
 EXTRAS_REQUIRE = {}