diff --git a/pkgs/development/python-modules/gcal-sync/default.nix b/pkgs/development/python-modules/gcal-sync/default.nix
index d2cd8b7740e1..036e62348fc8 100644
--- a/pkgs/development/python-modules/gcal-sync/default.nix
+++ b/pkgs/development/python-modules/gcal-sync/default.nix
@@ -13,7 +13,7 @@
 
 buildPythonPackage rec {
   pname = "gcal-sync";
-  version = "4.1.0";
+  version = "4.1.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.9";
@@ -22,7 +22,7 @@ buildPythonPackage rec {
     owner = "allenporter";
     repo = "gcal_sync";
     rev = "refs/tags/${version}";
-    hash = "sha256-dmxqN0SE/qAu07ilBnVdV8k3hvpfUPLMtIfqlhSg20U=";
+    hash = "sha256-gRIioR0TrvxTEd572AEuWlamlEaNOoOcXNten5AAAkA=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/ical/default.nix b/pkgs/development/python-modules/ical/default.nix
index 5ec01565e2d1..bcda9af2ec2a 100644
--- a/pkgs/development/python-modules/ical/default.nix
+++ b/pkgs/development/python-modules/ical/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "ical";
-  version = "4.2.8";
+  version = "4.2.9";
   format = "setuptools";
 
   disabled = pythonOlder "3.9";
@@ -25,7 +25,7 @@ buildPythonPackage rec {
     owner = "allenporter";
     repo = pname;
     rev = "refs/tags/${version}";
-    hash = "sha256-vOjsHGB1VJuBEfLAXUkvTbQSFi4mkpf9qROVZo3ZABY=";
+    hash = "sha256-p1cvs+xLin2WK2zyqQFd1vWKzt+LU2mpDSieOgA7Qf8=";
   };
 
   propagatedBuildInputs = [