diff --git a/requirements.txt b/requirements.txt
index c50e7b68..4c10636b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-pyqt5>=5.2.1
+pyqt5>=5.3
 lxml>=4.2.0
 pyenchant>=3.0.0
diff --git a/setup.cfg b/setup.cfg
index 248304da..9cd2d28b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -32,7 +32,7 @@ python_requires = >=3.6
 include_package_data = True
 packages = find:
 install_requires =
-    pyqt5>=5.2.1
+    pyqt5>=5.3
     lxml>=4.2.0
     pyenchant>=3.0.0