diff --git a/.forgejo/workflows/android-emulator-tests.yml b/.forgejo/workflows/android-emulator-tests.yml
index 2af9349..f60af9f 100644
--- a/.forgejo/workflows/android-emulator-tests.yml
+++ b/.forgejo/workflows/android-emulator-tests.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   integration-android:
     name: Android Emulator Integration Tests
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     timeout-minutes: 60
 
     steps:
@@ -17,6 +17,10 @@ jobs:
         with:
           fetch-depth: 50
 
+      - uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-25.11
+
       - name: Enable Nix flakes
         run: |
           mkdir -p ~/.config/nix
diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 1f839ce..d37af76 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   check:
     name: Full Project Check
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     timeout-minutes: 30
 
     steps:
@@ -16,6 +16,10 @@ jobs:
         with:
           fetch-depth: 50
 
+      - uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-25.11
+
       - name: Enable Nix flakes
         run: |
           mkdir -p ~/.config/nix
@@ -26,7 +30,7 @@ jobs:
 
   build-linux:
     name: Build Linux Release
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     needs: check
     if: github.ref == 'refs/heads/main'
 
@@ -35,6 +39,10 @@ jobs:
         with:
           fetch-depth: 50
 
+      - uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-25.11
+
       - name: Enable Nix flakes
         run: |
           mkdir -p ~/.config/nix
@@ -52,7 +60,7 @@ jobs:
 
   deploy-playstore:
     name: Build & Deploy to Play Store
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     needs: check
     if: github.ref == 'refs/heads/main'
 
@@ -61,6 +69,10 @@ jobs:
         with:
           fetch-depth: 50
 
+      - uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-25.11
+
       - name: Enable Nix flakes
         run: |
           mkdir -p ~/.config/nix
@@ -112,7 +124,7 @@ jobs:
 
   publish-website:
     name: Publish Website Build History
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     needs: [build-linux, deploy-playstore]
     if: |
       always() &&
@@ -124,6 +136,10 @@ jobs:
         with:
           fetch-depth: 1
 
+      - uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-25.11
+
       - name: Enable Nix flakes
         run: |
           mkdir -p ~/.config/nix
diff --git a/.forgejo/workflows/website.yml b/.forgejo/workflows/website.yml
index e0dfa9d..5636699 100644
--- a/.forgejo/workflows/website.yml
+++ b/.forgejo/workflows/website.yml
@@ -12,13 +12,17 @@ on:
 jobs:
   deploy:
     name: Build & Deploy Website
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
 
+      - uses: cachix/install-nix-action@v27
+        with:
+          nix_path: nixpkgs=channel:nixos-25.11
+
       - name: Enable Nix flakes
         run: |
           mkdir -p ~/.config/nix