diff --git a/pyproject.toml b/pyproject.toml
index 971dcde..60ef013 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ license = {text = "Apache License, Version 2.0"}
 description = "Command-line alternative for https://github.com/jenkinsci/warnings-plugin. Useable with plugin-less CI systems."
 readme = {file = "README.rst", content-type = "text/x-rst"}
 dependencies = [
-    "junitparser>=1.0.0,<2.0",
+    "junitparser>=1.0.0,<5.0",
     "ruamel.yaml>=0.17.21",
 ]
 requires-python = ">= 3.8"