diff --git a/requirements.txt b/requirements.txt
index f79584f..908d1e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,10 +7,9 @@ sphinx-image-inverter == 1.1.2
 sphinx-exercise == 1.0.1
 sphinx-proof == 0.2.0
 sphinx-named-colors == 1.0.1
-git+https://github.com/TeachBooks/sphinx-iframes.git
+sphinx-iframes
 
---extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple
-sphinx-thebe ~= 0.9.9
+git+https://github.com/TeachBooks/Sphinx-Thebe
 
 docutils==0.17.1