diff --git a/ci/environment-3.4.yml b/ci/environment-3.4.yml
index 4d446e366..527bd7079 100644
--- a/ci/environment-3.4.yml
+++ b/ci/environment-3.4.yml
@@ -1,5 +1,6 @@
 name: py34-xonsh-test
 channels:
+  - conda-forge
   - defaults
 dependencies:
   - python=3.4
diff --git a/ci/environment-3.5.yml b/ci/environment-3.5.yml
index e11505223..1804d01c7 100644
--- a/ci/environment-3.5.yml
+++ b/ci/environment-3.5.yml
@@ -1,5 +1,6 @@
 name: py35-xonsh-test
 channels:
+  - conda-forge
   - defaults
 dependencies:
   - python=3.5
diff --git a/ci/environment-3.6.yml b/ci/environment-3.6.yml
index 46545eb4b..49dc873fc 100644
--- a/ci/environment-3.6.yml
+++ b/ci/environment-3.6.yml
@@ -1,5 +1,6 @@
 name: py36-xonsh-test
 channels:
+  - conda-forge
   - defaults
 dependencies:
   - python=3.6