diff --git a/requirements.txt b/requirements.txt
index a39cda8a..6f65213d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ scipy
 pandas
 pyyaml>=5.1
 schema
-git+https://github.com/SCM-NV/PLAMS@master
-plams@qmflows@git+https://github.com/SCM-NV/qmflows@master
-nano-cat@https://github.com/nlesc-nano/nano-CAT@master
-data-cat@https://github.com/nlesc-nano/data-CAT@master
+plams@git+https://github.com/SCM-NV/PLAMS@master
+qmflows@git+https://github.com/SCM-NV/qmflows@master
+nano-cat@git+https://github.com/nlesc-nano/nano-CAT@master
+data-cat@git+https://github.com/nlesc-nano/data-CAT@master