diff --git a/.github/workflows/requirements-oldest.txt b/.github/workflows/requirements-oldest.txt
index 9d540a1..6b9bd11 100644
--- a/.github/workflows/requirements-oldest.txt
+++ b/.github/workflows/requirements-oldest.txt
@@ -1,2 +1,2 @@
 numpy==1.20.3
-scipy==1.6.3
+scipy==1.7.3