diff --git a/pyproject.toml b/pyproject.toml
index 87f0d977..6db1a2c4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ macholib = "*"
 MarkupSafe = "*"
 pefile = "*"
 pycryptodome = "*"
-PyQt5 = "*"
+PyQt5 = "5.14.0"
 PyQt5-sip = "*"
 PySocks = "*"
 requests = "*"