diff --git a/environment.yml b/environment.yml
index 5facc09a..b77113f9 100644
--- a/environment.yml
+++ b/environment.yml
@@ -25,4 +25,5 @@ dependencies:
     - validators
     - ipython
     - PyOpenGL
+    - pycairo
 
diff --git a/requirements.txt b/requirements.txt
index 3adf46ba..ec19df9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,4 +16,5 @@ screeninfo
 pyreadline; sys_platform == 'win32'
 validators
 ipython
-PyOpenGL
\ No newline at end of file
+PyOpenGL
+pycairo
\ No newline at end of file