diff --git a/pyproject.toml b/pyproject.toml
index ec2a476f1f..5d81588693 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -119,7 +119,7 @@ dev = [
     {include-group = "test"},
 ]
 pyinstaller = [
-    "pyinstaller>=6.17.0",
+    "pyinstaller==6.22.0",
 ]
 delocate = [
     "delocate>=0.13.0 ; sys_platform == 'darwin'",