diff --git a/requirements.txt b/requirements.txt
index 8c5f6e7a..6b893497 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,11 @@
-contextlib2
-coverage
-factory-boy
-freezegun
-networkx
-pillow
-pydot
-pygments
-pytest-cov
-pytest-django
-simplejson
+contextlib2==21.6.0
+coverage==6.3.2
+factory-boy==3.2.1
+freezegun==1.1.0
+networkx==2.6
+pillow==9.0.1
+pydot==1.4.2
+pygments==2.11.2
+pytest-cov==3.0.0
+pytest-django==4.5.2
+simplejson==3.17.6