diff --git a/flake.lock b/flake.lock
index 5c5d167..1738b67 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1719303695,
-        "narHash": "sha256-SqJTGKtJEzkQdHEUWeMHwQ5vyAg4wE1kRbjTRjzfAUI=",
+        "lastModified": 1719393085,
+        "narHash": "sha256-Ft0yuaMlo6aKHltFzfjgKSLiYOAri597YSDXgWvmZOI=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "fd904f28fb1d3d3a3d87db312fac97cb4a146db4",
+        "rev": "4ffecf56a5faa4cf163da6da9690752365376e99",
         "type": "github"
       },
       "original": {
@@ -71,11 +71,11 @@
     "extra-package-gptel": {
       "flake": false,
       "locked": {
-        "lastModified": 1719293003,
-        "narHash": "sha256-2UArv9fvZEMC6lf3HE6c9onXkRroX0HgX5C/kTHM/ls=",
+        "lastModified": 1719373243,
+        "narHash": "sha256-OHF4j4n9aP4De1pp2PSlefDFFiScwFOe/hApBMGrv20=",
         "owner": "karthink",
         "repo": "gptel",
-        "rev": "a834adbcba46197f4a59b0208e48dd3e80f15c46",
+        "rev": "95a5716aa250d6321b17691abb035aa8acefbfbb",
         "type": "github"
       },
       "original": {
@@ -226,11 +226,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1719075281,
-        "narHash": "sha256-CyyxvOwFf12I91PBWz43iGT1kjsf5oi6ax7CrvaMyAo=",
+        "lastModified": 1719254875,
+        "narHash": "sha256-ECni+IkwXjusHsm9Sexdtq8weAq/yUyt1TWIemXt3Ko=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a71e967ef3694799d0c418c98332f7ff4cc5f6af",
+        "rev": "2893f56de08021cffd9b6b6dfc70fd9ccd51eb60",
         "type": "github"
       },
       "original": {
diff --git a/packages/packages.nix b/packages/packages.nix
index b05bdc8..e4e04c7 100644
--- a/packages/packages.nix
+++ b/packages/packages.nix
@@ -100,7 +100,7 @@ pkgs: epkgs: let
       notmuch
       consult-notmuch
       poly-org
-      casual 
+      casual-calc
       # org-re-reveal # FIXME very not nice hash mismatch when building
       # gptel # TODO uncomment when there will be a new release including GPT-4o 
     ]) ++ (with elpaPackages; [