diff --git a/pkgs/development/python-modules/pyqt/5.x.nix b/pkgs/development/python-modules/pyqt/5.x.nix
index ece9ad5b4a3..2af28bef0c9 100644
--- a/pkgs/development/python-modules/pyqt/5.x.nix
+++ b/pkgs/development/python-modules/pyqt/5.x.nix
@@ -30,12 +30,12 @@ let
 
 in buildPythonPackage rec {
   pname = "PyQt5";
-  version = "5.14.2";
+  version = "5.15.0";
   format = "other";
 
   src = pythonPackages.fetchPypi {
     inherit pname version;
-    sha256 = "1c4y4qi1l540gd125ikj0al00k5pg65kmqaixcfbzslrsrphq8xx";
+    sha256 = "sha256-xvdUiP/VNlpliTvGTqgqaVfbEm+/4zZUvNQ64cMMUvk=";
   };
 
   outputs = [ "out" "dev" ];
diff --git a/pkgs/development/python-modules/sip/default.nix b/pkgs/development/python-modules/sip/default.nix
index 2bc8b70e4ca..760c5bca9ee 100644
--- a/pkgs/development/python-modules/sip/default.nix
+++ b/pkgs/development/python-modules/sip/default.nix
@@ -2,14 +2,14 @@
 
 buildPythonPackage rec {
   pname = sip-module;
-  version = "4.19.22";
+  version = "4.19.23";
   format = "other";
 
   disabled = isPyPy;
 
   src = fetchurl {
     url = "https://www.riverbankcomputing.com/static/Downloads/sip/${version}/sip-${version}.tar.gz";
-    sha256 = "0idywc326l8v1m3maprg1aq2gph67mmnnsskvlwfx8n19s16idz1";
+    sha256 = "sha256-IsqbzsU4gRTkDUqv18zQxP4HIpe2KNDFzfovAQwLx+c=";
   };
 
   configurePhase = ''