diff --git a/requirements_continuous_integration.txt b/requirements_continuous_integration.txt
index af81f6733fd4be6c15d37af050824fd496cb3a52..fa2b57bc94cd6f2c2a41b0299f9a77d0291f3fe0 100644
--- a/requirements_continuous_integration.txt
+++ b/requirements_continuous_integration.txt
@@ -11,5 +11,6 @@ flake8-eradicate==0.2.0
 twine==1.12.1
 pydeps==1.7.2
 jupyter==1.0.0
+pytest-xvfb==1.2.0
 git+https://github.com/who8mylunch/Jupyter_Canvas_Widget.git@bd151ae1509c50b5809944dd3294f58b7b069c86
 
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 146631ced56d34341354f22df19e89760ce54788..002be2a1736601bfec55406eb47fd33ec90bb358 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,6 @@ tox==3.5.2
 twine==1.12.1
 pytest==3.8.2
 pytest-runner==4.2
-pytest-xvfb==1.2.0
 numpy==1.16.4
 recordtype==1.3
 xarray==0.11.3