diff --git a/.github/actions/install-lix/action.yml b/.github/actions/install-lix/action.yml
new file mode 100644
index 00000000..6cc3cb2c
--- /dev/null
+++ b/.github/actions/install-lix/action.yml
@@ -0,0 +1,16 @@
+name: Install Lix
+description: Install Lix and upgrade it to izlix
+
+runs:
+  using: composite
+  steps:
+    - name: Install Lix
+      uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
+      with:
+        extra_nix_config: |
+          substituters = https://cache.nixos.org/ https://nix-community.cachix.org https://isabelroses.cachix.org https://catppuccin.cachix.org https://extersia.cachix.org
+          trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= isabelroses.cachix.org-1:mXdV/CMcPDaiTmkQ7/4+MzChpOe6Cb97njKmBQQmLPM= catppuccin.cachix.org-1:noG/4HkbhJb+lUAdKrph6LaozJvAeEEZj4N732IysmU= extersia.cachix.org-1:ZHy9765xrhn4lDKGTzWWykHC+B091oTqNxClgc78MQU=
+
+    - name: Upgrade to izlix
+      shell: bash
+      run: nix profile install github:isabelroses/izlix#lix
diff --git a/.github/workflows/build-isos.yml b/.github/workflows/build-isos.yml
index 30f7cc01..fe9ea838 100644
--- a/.github/workflows/build-isos.yml
+++ b/.github/workflows/build-isos.yml
@@ -30,11 +30,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Lix
-        uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
-        with:
-          extra_nix_config: |
-            substituters = https://cache.nixos.org/ https://nix-community.cachix.org https://isabelroses.cachix.org https://catppuccin.cachix.org https://extersia.cachix.org
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= isabelroses.cachix.org-1:mXdV/CMcPDaiTmkQ7/4+MzChpOe6Cb97njKmBQQmLPM= catppuccin.cachix.org-1:noG/4HkbhJb+lUAdKrph6LaozJvAeEEZj4N732IysmU= extersia.cachix.org-1:ZHy9765xrhn4lDKGTzWWykHC+B091oTqNxClgc78MQU=
+        uses: ./.github/actions/install-lix
 
       # we shouldn't really be needing to do this, but sometimes lix isn't
       # build before we get here
diff --git a/.github/workflows/check-lock.yml b/.github/workflows/check-lock.yml
index d7812412..edd9fc32 100644
--- a/.github/workflows/check-lock.yml
+++ b/.github/workflows/check-lock.yml
@@ -20,11 +20,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Lix
-        uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
-        with:
-          extra_nix_config: |
-            substituters = https://cache.nixos.org/ https://extersia.cachix.org
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= extersia.cachix.org-1:ZHy9765xrhn4lDKGTzWWykHC+B091oTqNxClgc78MQU=
+        uses: ./.github/actions/install-lix
 
       - name: Check flake.lock
         run: nix run github:extersia-org/pkgs#locker
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 8aa90422..6667187d 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -31,11 +31,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Lix
-        uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
-        with:
-          extra_nix_config: |
-            substituters = https://cache.nixos.org/ https://nix-community.cachix.org https://isabelroses.cachix.org https://catppuccin.cachix.org https://extersia.cachix.org
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= isabelroses.cachix.org-1:mXdV/CMcPDaiTmkQ7/4+MzChpOe6Cb97njKmBQQmLPM= catppuccin.cachix.org-1:noG/4HkbhJb+lUAdKrph6LaozJvAeEEZj4N732IysmU= extersia.cachix.org-1:ZHy9765xrhn4lDKGTzWWykHC+B091oTqNxClgc78MQU=
+        uses: ./.github/actions/install-lix
 
       - name: Check Flake
         run: nix flake check --show-trace --option allow-import-from-derivation false
diff --git a/.github/workflows/diff.yml b/.github/workflows/diff.yml
index 961690df..413596cf 100644
--- a/.github/workflows/diff.yml
+++ b/.github/workflows/diff.yml
@@ -19,11 +19,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Lix
-        uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
-        with:
-          extra_nix_config: |
-            substituters = https://cache.nixos.org/ https://nix-community.cachix.org https://isabelroses.cachix.org https://catppuccin.cachix.org https://extersia.cachix.org
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= isabelroses.cachix.org-1:mXdV/CMcPDaiTmkQ7/4+MzChpOe6Cb97njKmBQQmLPM= catppuccin.cachix.org-1:noG/4HkbhJb+lUAdKrph6LaozJvAeEEZj4N732IysmU= extersia.cachix.org-1:ZHy9765xrhn4lDKGTzWWykHC+B091oTqNxClgc78MQU=
+        uses: ./.github/actions/install-lix
 
       - name: Get Hosts
         id: hosts
@@ -66,11 +62,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Lix
-        uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
-        with:
-          extra_nix_config: |
-            substituters = https://cache.nixos.org/ https://nix-community.cachix.org https://isabelroses.cachix.org https://catppuccin.cachix.org https://extersia.cachix.org
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= isabelroses.cachix.org-1:mXdV/CMcPDaiTmkQ7/4+MzChpOe6Cb97njKmBQQmLPM= catppuccin.cachix.org-1:noG/4HkbhJb+lUAdKrph6LaozJvAeEEZj4N732IysmU= extersia.cachix.org-1:ZHy9765xrhn4lDKGTzWWykHC+B091oTqNxClgc78MQU=
+        uses: ./.github/actions/install-lix
 
       - name: Checkout base
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 446e4d73..9c49ceb0 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -24,11 +24,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Lix
-        uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
-        with:
-          extra_nix_config: |
-            substituters = https://cache.nixos.org/ https://nix-community.cachix.org https://isabelroses.cachix.org https://catppuccin.cachix.org https://extersia.cachix.org
-            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= isabelroses.cachix.org-1:mXdV/CMcPDaiTmkQ7/4+MzChpOe6Cb97njKmBQQmLPM= catppuccin.cachix.org-1:noG/4HkbhJb+lUAdKrph6LaozJvAeEEZj4N732IysmU= extersia.cachix.org-1:ZHy9765xrhn4lDKGTzWWykHC+B091oTqNxClgc78MQU=
+        uses: ./.github/actions/install-lix
 
       - name: Build docs
         run: nix build .#docs
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 3e428ecb..efb21f31 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -19,7 +19,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Lix
-        uses: samueldr/lix-gha-installer-action@7b7f14d320d6aacfb65bd1ef761566b3b69e474c # v2026-02-22
+        uses: ./.github/actions/install-lix
 
       - name: Update Lockfile
         id: pr
diff --git a/flake.lock b/flake.lock
index 4fabb2df..bc4bd258 100644
--- a/flake.lock
+++ b/flake.lock
@@ -180,11 +180,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1778379977,
-        "narHash": "sha256-0QvW0xTzw7m0/9u6/QT7/sCsCJbFlA84EOe6tZjLwkQ=",
+        "lastModified": 1778435222,
+        "narHash": "sha256-y6eS7OIP4ijJw8LwlZ35IlqLcMQ+1XJBidyiaSSUq2U=",
         "owner": "isabelroses",
         "repo": "izlix",
-        "rev": "fd01451a2ecebb04e90284fac63eb6606ef142ee",
+        "rev": "46c2c6b8b7af3816282c2dda648229ca0666859f",
         "type": "github"
       },
       "original": {
@@ -384,11 +384,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1777789800,
-        "narHash": "sha256-XHCvLGu/bEEZRzXVKFu1i+2YB102Nr00n8e7xrzsfVs=",
+        "lastModified": 1778395012,
+        "narHash": "sha256-A/VRiNFQIwGp8cOC/8yNCRexFHjtFCzBwhajrkyGojo=",
         "owner": "Gerg-L",
         "repo": "spicetify-nix",
-        "rev": "d0e921cc48aab6137d203a3eab19601dc2bdc0c3",
+        "rev": "3b4991bfc064c3361957f23141351ae2d9833234",
         "type": "github"
       },
       "original": {