diff --git a/pyproject.toml b/pyproject.toml
index a4f13b21b..3c06c6827 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -279,7 +279,7 @@ dev = [
     "VWS-Test-Fixtures==2023.3.5",
     "black==23.3.0",
     "check-manifest==0.49",
-    "dirty-equals==0.5.0",
+    "dirty-equals==0.6.0",
     # We pin to an old doc8 to avoid version conflicts with sphinx_toolbox.
     # When we bump this, we can remove doc8.ini.
     "doc8==0.11.2",