diff --git a/pyproject.toml b/pyproject.toml
index 5a6357c..aeff8b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,10 +8,10 @@ version = "0.2.5"
 description = "Local booru image browser with Qt6 GUI"
 requires-python = ">=3.11"
 dependencies = [
-    "httpx>=0.27",
-    "Pillow>=10.0",
-    "PySide6>=6.6",
-    "python-mpv>=1.0",
+    "httpx>=0.27,<1.0",
+    "Pillow>=10.0,<12.0",
+    "PySide6>=6.6,<7.0",
+    "python-mpv>=1.0,<2.0",
 ]
 
 [project.scripts]