diff --git a/tools/visualize-pdr/requirements.txt b/tools/visualize-pdr/requirements.txt
new file mode 100644
index 0000000..03ca676
--- /dev/null
+++ b/tools/visualize-pdr/requirements.txt
@@ -0,0 +1,8 @@
+graphviz==0.16
+tabulate==0.8.9
+bcrypt==3.2.0
+cffi==1.14.5
+cryptography==3.4.7
+paramiko==2.7.2
+pycparser==2.20
+pynacl==1.4.0