diff --git a/flake.lock b/flake.lock
index 31414c9a..c89bc215 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1754487366,
-        "narHash": "sha256-pHYj8gUBapuUzKV/kN/tR3Zvqc7o6gdFB9XKXIp1SQ8=",
+        "lastModified": 1756770412,
+        "narHash": "sha256-+uWLQZccFHwqpGqr2Yt5VsW/PbeJVTn9Dk6SHWhNRPw=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "af66ad14b28a127c5c0f3bbb298218fc63528a18",
+        "rev": "4524271976b625a4a605beefd893f270620fd751",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1755615617,
-        "narHash": "sha256-HMwfAJBdrr8wXAkbGhtcby1zGFvs+StOp19xNsbqdOg=",
+        "lastModified": 1757487488,
+        "narHash": "sha256-zwE/e7CuPJUWKdvvTCB7iunV4E/+G0lKfv4kk/5Izdg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "20075955deac2583bb12f07151c2df830ef346b4",
+        "rev": "ab0f3607a6c7486ea22229b92ed2d355f1482ee0",
         "type": "github"
       },
       "original": {
diff --git a/nix/package/default.nix b/nix/package/default.nix
index 7a07be37..5cc9f493 100644
--- a/nix/package/default.nix
+++ b/nix/package/default.nix
@@ -77,7 +77,9 @@ python3Packages.buildPythonApplication {
     "pillow-avif-plugin"
     "pillow-heif"
     "pillow-jxl-plugin"
+    "py7zr"
     "pyside6"
+    "rarfile"
     "structlog"
     "typing-extensions"
   ];
@@ -96,9 +98,11 @@ python3Packages.buildPythonApplication {
       pillow
       pillow-avif-plugin
       pillow-heif
+      py7zr
       pydantic
       pydub
       pyside6
+      rarfile
       rawpy
       send2trash
       sqlalchemy
@@ -115,6 +119,7 @@ python3Packages.buildPythonApplication {
   disabledTests = [
     "test_badge_visual_state"
     "test_browsing_state_update"
+    "test_close_library" # TODO: Look into segfault.
     "test_flow_layout_happy_path"
     "test_get" # TODO: Look further into, might be possible to run.
     "test_json_migration"