diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bb18a07..3404fbb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
           mv wasi-sdk-* wasi-sdk
 
       - name: Setup Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+        uses: dsherret/rust-toolchain-file@v1
 
       - name: Setup marine
         uses: fluencelabs/setup-marine@v1
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 182c9db..b6434d7 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -56,11 +56,26 @@ jobs:
           }
         ]
 
-  rust-peer:
+  decider:
     needs:
       - spell
+    uses: fluencelabs/decider/.github/workflows/snapshot.yml@main
+    with:
+      cargo-dependencies: |
+        [
+          {
+            "package": "fluence-spell-dtos",
+            "version": "=${{ needs.spell.outputs.cargo-version }}",
+            "registry": "fluence"
+          }
+        ]
+
+  nox:
+    needs:
+      - spell
+      - decider
 
-    uses: fluencelabs/rust-peer/.github/workflows/build.yml@master
+    uses: fluencelabs/nox/.github/workflows/build.yml@master
     with:
       cargo-dependencies: |
         [
@@ -73,35 +88,40 @@ jobs:
             "package": "fluence-spell-distro",
             "version": "=${{ needs.spell.outputs.cargo-version }}",
             "registry": "fluence"
+          },
+          {
+            "package": "decider-distro",
+            "version": "=${{ needs.decider.outputs.cargo-version }}",
+            "manifest": "crates/system-services/Cargo.toml",
+            "registry": "fluence"
           }
         ]
 
-  rust-peer-snapshot:
-    name: "rust-peer"
+  nox-snapshot:
+    name: "nox"
     needs:
-      - rust-peer
+      - nox
 
-    uses: fluencelabs/rust-peer/.github/workflows/container.yml@master
+    uses: fluencelabs/nox/.github/workflows/container.yml@master
     with:
       image-name: "docker.fluence.dev/sqlite-wasm-connector"
       flavour: "minimal"
-      rust-peer-sha: "${{ needs.rust-peer.outputs.rust-peer-sha }}"
 
   spell-aqua-tests:
     name: "spell"
     needs:
-      - rust-peer-snapshot
+      - nox-snapshot
     uses: fluencelabs/spell/.github/workflows/tests.yml@main
     with:
-      rust-peer-image: "${{ needs.rust-peer-snapshot.outputs.rust-peer-image }}"
+      nox-image: "${{ needs.nox-snapshot.outputs.nox-image }}"
 
   registry:
     needs:
       - snapshot
-      - rust-peer-snapshot
+      - nox-snapshot
     uses: fluencelabs/registry/.github/workflows/tests.yml@main
     with:
-      rust-peer-image: "${{ needs.rust-peer-snapshot.outputs.rust-peer-image }}"
+      nox-image: "${{ needs.nox-snapshot.outputs.nox-image }}"
       cargo-dependencies: |
         [
           {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..fa5eec4
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,9 @@
+[toolchain]
+channel = "nightly-2023-08-27"
+components = [
+  "rustfmt",
+  "clippy",
+]
+targets = [
+  "x86_64-unknown-linux-gnu",
+]