diff --git a/IBDReduce/requirements.txt b/IBDReduce/requirements.txt
new file mode 100644
index 0000000..ef64ff5
--- /dev/null
+++ b/IBDReduce/requirements.txt
@@ -0,0 +1,3 @@
+numpy==2.3.3
+scipy==1.16.2
+zstandard==0.25.0