diff --git a/requirements-dev.txt b/requirements-dev.txt
index 5bb00bd7e43df115c62f2a24dcdbe44b513133ef..d3241ad8559f7901ec9798eab57ec077aaca301b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,3 @@
-coverage
-django-debug-toolbar
-mockito
+coverage==5.3
+django-debug-toolbar==1.11
+mockito==1.2.2