diff --git a/.github/workflows/nix-non-x86.yml b/.github/workflows/nix-non-x86.yml
index b80cf6a..279e6c3 100644
--- a/.github/workflows/nix-non-x86.yml
+++ b/.github/workflows/nix-non-x86.yml
@@ -21,12 +21,12 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ github.token }}
             trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= tee-pot:SS6HcrpG87S1M6HZGPsfo7d1xJccCGev7/tXc5+I4jg=
-            substituters = https://cache.nixos.org/ https://attic.teepot.org/tee-pot
+            substituters = https://cache.nixos.org/ https://static.188.92.12.49.clients.your-server.de/tee-pot
             sandbox = true
       - name: Setup Attic cache
         uses: ryanccn/attic-action@v0
         with:
-          endpoint: https://attic.teepot.org/
+          endpoint: https://static.188.92.12.49.clients.your-server.de/
           cache: tee-pot
           token: ${{ secrets.ATTIC_TOKEN }}
 
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 3d850ea..8981a37 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -22,12 +22,12 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ github.token }}
             trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= tee-pot:SS6HcrpG87S1M6HZGPsfo7d1xJccCGev7/tXc5+I4jg=
-            substituters = https://cache.nixos.org/ https://attic.teepot.org/tee-pot
+            substituters = https://cache.nixos.org/ https://static.188.92.12.49.clients.your-server.de/tee-pot
             sandbox = true
       - name: Setup Attic cache
         uses: ryanccn/attic-action@v0
         with:
-          endpoint: https://attic.teepot.org/
+          endpoint: https://static.188.92.12.49.clients.your-server.de/
           cache: tee-pot
           token: ${{ secrets.ATTIC_TOKEN }}
 
@@ -44,12 +44,12 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ github.token }}
             trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= tee-pot:SS6HcrpG87S1M6HZGPsfo7d1xJccCGev7/tXc5+I4jg=
-            substituters = https://cache.nixos.org/ https://attic.teepot.org/tee-pot
+            substituters = https://cache.nixos.org/ https://static.188.92.12.49.clients.your-server.de/tee-pot
             sandbox = true
       - name: Setup Attic cache
         uses: ryanccn/attic-action@v0
         with:
-          endpoint: https://attic.teepot.org/
+          endpoint: https://static.188.92.12.49.clients.your-server.de/
           cache: tee-pot
           token: ${{ secrets.ATTIC_TOKEN }}
 
@@ -84,12 +84,12 @@ jobs:
           extra_nix_config: |
             access-tokens = github.com=${{ github.token }}
             trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= tee-pot:SS6HcrpG87S1M6HZGPsfo7d1xJccCGev7/tXc5+I4jg=
-            substituters = https://cache.nixos.org/ https://attic.teepot.org/tee-pot
+            substituters = https://cache.nixos.org/ https://static.188.92.12.49.clients.your-server.de/tee-pot
             sandbox = true
       - name: Setup Attic cache
         uses: ryanccn/attic-action@v0
         with:
-          endpoint: https://attic.teepot.org/
+          endpoint: https://static.188.92.12.49.clients.your-server.de/
           cache: tee-pot
           token: ${{ secrets.ATTIC_TOKEN }}
 
diff --git a/Cargo.lock b/Cargo.lock
index df7f24f..0abce21 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1539,9 +1539,9 @@ dependencies = [
 
 [[package]]
 name = "enumset"
-version = "1.1.6"
+version = "1.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11a6b7c3d347de0a9f7bfd2f853be43fe32fa6fac30c70f6d6d67a1e936b87ee"
+checksum = "d6ee17054f550fd7400e1906e2f9356c7672643ed34008a9e8abe147ccd2d821"
 dependencies = [
  "enumset_derive",
  "serde",
@@ -1549,9 +1549,9 @@ dependencies = [
 
 [[package]]
 name = "enumset_derive"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6da3ea9e1d1a3b1593e15781f930120e72aa7501610b2f82e5b6739c72e8eac5"
+checksum = "76d07902c93376f1e96c34abc4d507c0911df3816cef50b01f5a2ff3ad8c370d"
 dependencies = [
  "darling 0.20.11",
  "proc-macro2",
diff --git a/flake.nix b/flake.nix
index f3ec3fe..587718e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "teepot";
 
   nixConfig = {
-    extra-substituters = [ "https://attic.teepot.org/tee-pot" ];
+    extra-substituters = [ "https://static.188.92.12.49.clients.your-server.de/tee-pot" ];
     extra-trusted-public-keys = [ "tee-pot:SS6HcrpG87S1M6HZGPsfo7d1xJccCGev7/tXc5+I4jg=" ];
   };