diff --git a/requirements.txt b/requirements.txt
index a4cb4025..88331b12 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,5 @@ git+https://github.com/inducer/islpy.git#egg=islpy
 
 git+https://github.com/inducer/loopy.git#egg=loopy
 git+https://github.com/inducer/pytato.git#egg=pytato
+
+git+https://github.com/kaushikcfd/feinsum.git#egg=feinsum