diff --git a/pyproject.toml b/pyproject.toml
index 77d33e712..e93cd760c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ classifiers = [
 ]
 requires-python = ">=3.8.1"
 dependencies = [
-    "PySide6 >= 6.5.0, != 6.5.3, != 6.6.3, != 6.7.0, != 6.8.0, != 6.8.0.1",
+    "PySide6 >= 6.5.0, != 6.5.3, != 6.6.3, != 6.7.0, < 6.8",
     "jupyter_client >=6.0",
     "qtconsole >=5.1",
     "spinedb_api>=0.31.6",