diff --git a/requirements_continuous_integration.txt b/requirements_continuous_integration.txt
index bd06a1994e6f71cb36f5a2137708f439d5c07131..61941bacafbf612403d46d8ffff42c3b950539e5 100644
--- a/requirements_continuous_integration.txt
+++ b/requirements_continuous_integration.txt
@@ -12,3 +12,4 @@ twine==1.12.1
 sphinx-rtd-theme==0.4.3
 # see setup.py pycairo==1.18.1
 CairoSVG==2.3.1
+pydeps==1.7.2