diff --git a/pyproject.toml b/pyproject.toml
index f2580e4..a20bf87 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,8 +39,8 @@ dependencies = [
 
 [project.optional-dependencies]
 testing = [
-    "dj-database-url==0.5.0",
-    "freezegun==1.2.2",
+    "dj-database-url>=2.1.0,<3.0",
+    "freezegun>=1.4.0,<2.0",
     "coverage>=7.0,<8.0",
 ]