diff --git a/requirements-dev.txt b/requirements-dev.txt
index a02fe3c..c5cbb54 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 pydocstyle>=2.1.1
 flake8_docstrings>=1.1.0
 flake8>=3.5.0
-bandit
-safety
+bandit==1.4.0
+safety==1.6.1