diff --git a/astroid/__pkginfo__.py b/astroid/__pkginfo__.py
index 5657f8960..a6db0619a 100644
--- a/astroid/__pkginfo__.py
+++ b/astroid/__pkginfo__.py
@@ -23,7 +23,7 @@
 extras_require = {}
 install_requires = [
     "lazy_object_proxy==1.4.*",
-    "six==1.12",
+    "six~=1.12",
     "wrapt==1.11.*",
     'typed-ast>=1.4.0,<1.5;implementation_name== "cpython" and python_version<"3.8"',
 ]
diff --git a/tox.ini b/tox.ini
index a1591b455..6170085b6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,7 +24,7 @@ deps =
   pytest
   python-dateutil
   pypy: singledispatch
-  six==1.12
+  six~=1.12
   wrapt==1.11.*
   coverage