diff --git a/nipype/info.py b/nipype/info.py
index d98faae782..ef13ed6d62 100644
--- a/nipype/info.py
+++ b/nipype/info.py
@@ -106,7 +106,7 @@ def get_nipype_gitversion():
 NETWORKX_MIN_VERSION = '1.7'
 NUMPY_MIN_VERSION = '1.6.2'
 SCIPY_MIN_VERSION = '0.11'
-TRAITS_MIN_VERSION = '4.3'
+TRAITS_MIN_VERSION = '4.6'
 DATEUTIL_MIN_VERSION = '1.5'
 PYTEST_MIN_VERSION = '3.0'
 FUTURE_MIN_VERSION = '0.15.2'
diff --git a/nipype/pipeline/engine/tests/test_utils.py b/nipype/pipeline/engine/tests/test_utils.py
index f755ebc886..08e5f32405 100644
--- a/nipype/pipeline/engine/tests/test_utils.py
+++ b/nipype/pipeline/engine/tests/test_utils.py
@@ -18,6 +18,11 @@
 from ..utils import merge_dict, clean_working_directory, write_workflow_prov
 
 
+def test_traits_version():
+    #just a temprorary test, testing CI
+    import traits
+    assert traits.__version__ >= "4.6.0"
+
 def test_identitynode_removal():
 
     def test_function(arg1, arg2, arg3):
diff --git a/requirements.txt b/requirements.txt
index c06bfbfee5..f16073919e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 numpy>=1.6.2
 scipy>=0.11
 networkx>=1.7
-traits>=4.3
+traits>=4.6
 python-dateutil>=1.5
 nibabel>=2.0.1
 future>=0.15.2
diff --git a/rtd_requirements.txt b/rtd_requirements.txt
index a8b426ea8a..43acce5e1f 100644
--- a/rtd_requirements.txt
+++ b/rtd_requirements.txt
@@ -1,7 +1,7 @@
 numpy>=1.6.2
 scipy>=0.11
 networkx>=1.7
-traits>=4.3
+traits>=4.6
 python-dateutil>=1.5
 nibabel>=2.0.1
 pytest>=3.0