diff --git a/tools/requirements.txt b/tools/requirements.txt
new file mode 100644
index 00000000..1898d644
--- /dev/null
+++ b/tools/requirements.txt
@@ -0,0 +1,5 @@
+crossref_commons==0.0.7
+numpy==1.20.1
+GitPython==3.1.14
+PyYAML==5.4.1
+TexSoup==0.3.1