diff --git a/pkgs/by-name/ca/calendar-cli/package.nix b/pkgs/by-name/ca/calendar-cli/package.nix
index b59dda3354ee..310aa702f60c 100644
--- a/pkgs/by-name/ca/calendar-cli/package.nix
+++ b/pkgs/by-name/ca/calendar-cli/package.nix
@@ -40,6 +40,7 @@ python3.pkgs.buildPythonApplication (finalAttrs: {
     tzlocal
     click
     six
+    urllib3
     vobject
   ];
 
diff --git a/pkgs/by-name/ra/radicale/package.nix b/pkgs/by-name/ra/radicale/package.nix
index 184764fd31c9..5cf9545e8bb0 100644
--- a/pkgs/by-name/ra/radicale/package.nix
+++ b/pkgs/by-name/ra/radicale/package.nix
@@ -7,14 +7,14 @@
 
 python3.pkgs.buildPythonApplication (finalAttrs: {
   pname = "radicale";
-  version = "3.6.0";
+  version = "3.6.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Kozea";
     repo = "Radicale";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-FzCNmmlQeka+Z7h1Dp631coKPF7gc0LOWnyca994bgs=";
+    hash = "sha256-NPebEqLSDsR+FSA3vM0k8JJ8ciIDaRs34z4DBvr5GOE=";
   };
 
   build-system = with python3.pkgs; [