diff --git a/.binder/environment.yml b/.binder/environment.yml
index 0a11c8e..e93c525 100644
--- a/.binder/environment.yml
+++ b/.binder/environment.yml
@@ -8,6 +8,7 @@ dependencies:
 - pint =0.24.4
 - semantikon =0.0.6
 - pyiron_workflow =0.11.2
+- rdflib =7.1.1
 - pyiron_atomistics =0.6.19
 - pyiron-data =0.0.30
 - lammps =2024.02.07=*_openmpi_*
diff --git a/docs/environment.yml b/docs/environment.yml
index c19fd5a..93407b1 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -14,4 +14,5 @@ dependencies:
 - pint =0.24.4
 - semantikon =0.0.6
 - pyiron_workflow =0.11.2
+- rdflib =7.1.1
 - sphinxcontrib-mermaid