diff --git a/requirements.txt b/requirements.txt
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index 00000000000..17de1e6f26a
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,6 @@
+# This file is redundant with setup.cfg;
+# it exists to let GitHub build the repository dependency graph
+# https://help.github.com/en/github/visualizing-repository-data-with-graphs/listing-the-packages-that-a-repository-depends-on
+
+numpy >= 1.15
+pandas >= 0.25