diff --git a/flake.lock b/flake.lock
index 7d90a81..9fa5c70 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,26 +7,27 @@
         ]
       },
       "locked": {
-        "lastModified": 1706435589,
-        "narHash": "sha256-yhEYJxMv5BkfmUuNe4QELKo+V5eq1pwhtVs6kEziHfE=",
+        "lastModified": 1712386041,
+        "narHash": "sha256-dA82pOMQNnCJMAsPG7AXG35VmCSMZsJHTFlTHizpKWQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "4d54c29bce71f8c261513e0662cc573d30f3e33e",
+        "rev": "d6bb9f934f2870e5cbc5b94c79e9db22246141ff",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
+        "ref": "release-23.11",
         "repo": "home-manager",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1706098335,
-        "narHash": "sha256-r3dWjT8P9/Ah5m5ul4WqIWD8muj5F+/gbCdjiNVBKmU=",
+        "lastModified": 1713145326,
+        "narHash": "sha256-m7+IWM6mkWOg22EC5kRUFCycXsXLSU7hWmHdmBfmC3s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a77ab169a83a4175169d78684ddd2e54486ac651",
+        "rev": "53a2c32bc66f5ae41a28d7a9a49d321172af621e",
         "type": "github"
       },
       "original": {
@@ -38,11 +39,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1706446335,
-        "narHash": "sha256-7p89OzFSIIb793wbfDABxINOH7HAGWF6wfhB77pOAGU=",
+        "lastModified": 1713299127,
+        "narHash": "sha256-s2PjEBtFptzZHkFkNP9yDNP6j9gR4feuUJk9MmSNnvQ=",
         "owner": "nix-community",
         "repo": "nur",
-        "rev": "0a68de7bb6a21eb68d6c58d715532825645e396b",
+        "rev": "7a55c815d8ed61651e416b56e7f9cfc9a539c272",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 8f19386..3044ca3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
-    home-manager.url = "github:nix-community/home-manager";
+    home-manager.url = "github:nix-community/home-manager/release-23.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
     nur.url = "github:nix-community/nur";
   };
diff --git a/home/alias.nix b/home/alias.nix
index f2169d5..4b1a6ba 100644
--- a/home/alias.nix
+++ b/home/alias.nix
@@ -9,7 +9,7 @@
     ktiubox   = "rsync -vaL --delete ~/box/ root@ktiu.net:/var/www/html/box/";
     ymd       = "date +'%Y-%m-%d'";
     pulluni   = "ssh tstraube@login.server.uni-frankfurt.de \"cd uni-tstraube && git pull\"";
-    pullstat  = "ssh tstraube@login.server.uni-frankfurt.de \"cd statistik && git pull\"";
+    pullstat  = "ssh tstraube@login.server.uni-frankfurt.de \"cd stat24 && git pull\"";
     pullds    = "ssh tstraube@login.server.uni-frankfurt.de \"cd ds23 && git pull\"";
     pullmla   = "ssh tstraube@login.server.uni-frankfurt.de \"cd malta23 && git pull\"";
     pulldkg   = "ssh till@geocom.uni-frankfurt.de \"cd /var/www/dkg_lp && git pull\"";
@@ -20,7 +20,7 @@
     showbox   = "chromium-browser -app=https://user.uni-frankfurt.de/~tstraube/box";
     showc     = "chromium-browser -app=https://user.uni-frankfurt.de/~tstraube/c/";
     castget   = "castget -prvC ~/.config/castget/castget.conf";
-    castsync  = "mv -v ~/.local/share/podcasts/* /run/media/till/CLIP\\ JAM/Podcasts/";
+    castsync  = "rsync -va --remove-source-files ~/.local/share/podcasts/ /run/media/till/CLIP\\ JAM/Podcasts/";
     cb        = "cd $(sed 's|^file://||' /home/till/.config/gtk-3.0/bookmarks | fzf --height 10% --reverse)";
     univpn    = "secret-tool lookup server uni-frankfurt.de account tstraube | sudo openconnect --config=/home/till/.config/openconnect/config --passwd-on-stdin";
     v         = "nvim";
diff --git a/home/default.nix b/home/default.nix
index 5fc8c63..f2926c2 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -18,6 +18,7 @@
     libreoffice
     poppler_utils
     zotero
+    pdftk
 
     # graphics
     drawing
@@ -52,4 +53,3 @@
   programs.obs-studio.enable = true;
 
 }
-
diff --git a/home/r.nix b/home/r.nix
index 9365030..9b15dad 100644
--- a/home/r.nix
+++ b/home/r.nix
@@ -30,7 +30,7 @@
           src = builtins.fetchGit {
             url = "ssh://git@ktiu.net/home/git/goethR/";
             ref = "main";
-            rev = "6940f37ec2a6d3b915f4c87635dcdaae07d7b4d8";
+            rev = "a3a0363d1fbdf6be19e3597d9484615cd2c47cc0";
           };
           propagatedBuildInputs = [];
           nativeBuildInputs = [];