1 files changed, 4 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index ab3864a..243c73f 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,10 @@ setup(
     url='https://www.igsor.net/projects/blackstar/bsfs/',
     download_url='https://pip.igsor.net',
     packages=('bsfs', ),
-    install_requires=('rdflib', ),
+    install_requires=(
+        'rdflib', # schema and sparql storage
+        'hopcroftkarp', # ast matching
+        ),
     python_requires=">=3.7",
 )