diff --git a/requirements-dev.txt b/requirements-dev.txt
index 558506a3..8b4ba16a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -29,7 +29,7 @@ pre-commit == 2.21.0
 pytest == 7.4.3
 pytest-cov == 3.0.0
 pytest-forked == 1.6.0
-pytest-icdiff == 0.8
+pytest-icdiff == 0.9
 pytest-random-order == 1.1.0
 pytest-socket == 0.6.0
 pytest-sugar == 0.9.7