diff --git a/flake.lock b/flake.lock
index dd6178e..bff6ae8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -17,11 +17,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1739866667,
-        "narHash": "sha256-EO1ygNKZlsAC9avfcwHkKGMsmipUk1Uc0TbrEZpkn64=",
+        "lastModified": 1741246872,
+        "narHash": "sha256-Q6pMP4a9ed636qilcYX8XUguvKl/0/LGXhHcRI91p0U=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "73cf49b8ad837ade2de76f87eb53fc85ed5d4680",
+        "rev": "10069ef4cf863633f57238f179a0297de84bd8d3",
         "type": "github"
       },
       "original": {
diff --git a/hosts/hermit/programs.nix b/hosts/hermit/programs.nix
index dba8834..e20b0d4 100644
--- a/hosts/hermit/programs.nix
+++ b/hosts/hermit/programs.nix
@@ -13,12 +13,13 @@
       calc
       # calibre
       cbonsai
+      cinny-desktop
       cmus
       difftastic
       element
       element-desktop
       emacs30-pgtk
-      # evince
+      evince
       eza
       firefox
       fftw
@@ -68,7 +69,6 @@
       ripgrep
       rmpc
       signal-desktop
-      sioyek
       smartmontools
       taskwarrior3
       taskwarrior-tui
diff --git a/modules/system/nix/module.nix b/modules/system/nix/module.nix
index d57d631..696f22c 100644
--- a/modules/system/nix/module.nix
+++ b/modules/system/nix/module.nix
@@ -138,12 +138,10 @@ in {
       # Substituters to pull from.
       substituters = [
         "https://cache.nixos.org" # funny binary cache
-        "https://helix.cachix.org" # a chache for helix
       ];
 
       trusted-public-keys = [
         "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
-        "helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs="
       ];
     };
   };
diff --git a/packages/shell/fish-on-tmpfs.patch b/packages/shell/fish-on-tmpfs.patch
index d477186..1ff7c1b 100644
--- a/packages/shell/fish-on-tmpfs.patch
+++ b/packages/shell/fish-on-tmpfs.patch
@@ -1,10 +1,10 @@
---- a/src/path.cpp
-+++ b/src/path.cpp
-@@ -384,7 +384,7 @@ static const base_directory_t &get_data_directory() {
- }
-
- static const base_directory_t &get_config_directory() {
--    static base_directory_t s_dir = make_base_directory(L"XDG_CONFIG_HOME", L"/.config/fish");
-+    static base_directory_t s_dir = make_base_directory(L"XDG_RUNTIME_DIR", L"/.config/fish");
-     return s_dir;
+--- a/src/path.rs
++++ b/src/path.rs
+@@ -781,7 +781,7 @@ fn get_cache_directory() -> &'static BaseDirectory {
+ 
+ fn get_config_directory() -> &'static BaseDirectory {
+     static DIR: Lazy<BaseDirectory> =
+-        Lazy::new(|| make_base_directory(L!("XDG_CONFIG_HOME"), L!("/.config/fish")));
++        Lazy::new(|| make_base_directory(L!("XDG_RUNTIME_DIR"), L!("/.config/fish")));
+     &DIR
  }