diff --git a/.github/workflows/dirgraph.yml b/.github/workflows/dirgraph.yml
index c80beb2d6..2f3e6f864 100644
--- a/.github/workflows/dirgraph.yml
+++ b/.github/workflows/dirgraph.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          pip install -r tests/requirements.txt
 
       - name: Install Graphviz
         run: |
diff --git a/requirements.txt b/tests/requirements.txt
similarity index 56%
rename from requirements.txt
rename to tests/requirements.txt
index d1e3e1560..0cf92e82b 100644
--- a/requirements.txt
+++ b/tests/requirements.txt
@@ -1,3 +1,5 @@
+# Requirements for running test_dirgraph pytest
+
 pytest
 pydot
 numpy