diff --git a/pkgs/development/libraries/libical/default.nix b/pkgs/development/libraries/libical/default.nix
index 050cba5460d..903a1a26eb7 100644
--- a/pkgs/development/libraries/libical/default.nix
+++ b/pkgs/development/libraries/libical/default.nix
@@ -15,7 +15,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libical";
-  version = "3.0.5";
+  version = "3.0.6";
 
   outputs = [ "out" "dev" ]; # "devdoc" ];
 
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
     owner = "libical";
     repo = "libical";
     rev = "v${version}";
-    sha256 = "03kjc4s1svmzkmzkr0irgczq37aslhj4bxnvjqav0jwa2zrynhra";
+    sha256 = "181lf07fj36fp0rbcjjmb53yzdvv9i4qxpnbpax8hayjhha8pjh3";
   };
 
   nativeBuildInputs = [