diff --git a/requirements_dev.txt b/requirements_dev.txt
index 177a0e1c..413801f7 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,5 +9,5 @@ twine==5.1.1
 pytest==8.3.3
 pytest-runner==6.0.1
 sphinx-thebe==0.3.1
-advertools
+advertools==0.16.1
 pytest-cov