diff --git a/tests/requirements.txt b/tests/requirements.txt
index c8b12f8..95ae7bc 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -5,6 +5,10 @@
 #    pip-compile --output-file requirements.txt requirements.in
 #
 coverage==4.5.1
+iniconfig==2.3.0
+packaging==26.0
+pluggy==1.6.0
+pygments==2.20.0
+pytest==9.0.3
 pytest-cov==2.5.1
 pytest-mock==1.10.0
-pytest==3.5.1