diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 95be6e25..d7e9ff53 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -94,7 +94,7 @@ jobs:
       id: artifact-name
       run: echo "::set-output name=name::robonomics-ubuntu-latest-${TARGET%%-*}"
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: ${{ steps.artifact-name.outputs.name }}
         path: target/${{ matrix.target }}/release/robonomics
@@ -118,7 +118,7 @@ jobs:
     - name: Build optimized binary
       run: cargo build --release --verbose --locked
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: robonomics-macOS-latest-x86_64
         path: target/release/robonomics
@@ -147,13 +147,13 @@ jobs:
         tag-sha: true # add git short SHA as Docker tag
 
     - name: Download pre-built amd64 linux collator binary
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: robonomics-ubuntu-latest-x86_64
         path: scripts/docker/amd64/
 
     - name: Download pre-built aarch64 linux collator binary
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: robonomics-ubuntu-latest-aarch64
         path: scripts/docker/arm64/
@@ -201,7 +201,7 @@ jobs:
 
     # it takes a while to build the runtime, so let's save the artifact as soon as we have it
     - name: Archive Artifacts for ${{ matrix.chain }}
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ matrix.chain }}-runtime
         path: |
@@ -239,7 +239,7 @@ jobs:
           tee ${{ matrix.chain }}-diff.txt
 
     - name: Archive Subwasm results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ matrix.chain }}-runtime
         path: |
@@ -260,7 +260,7 @@ jobs:
         fetch-depth: 0
 
     - name: Download main runtime
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: main-runtime
         path: runtime-artifacts
@@ -313,7 +313,7 @@ jobs:
         mkdir -p ${{ matrix.os }}-${{ matrix.arch }}-bin
 
     - name: Download pre-built collator binary
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: robonomics-${{ matrix.os }}-latest-${{ matrix.arch }}
         path: ${{ matrix.os }}-${{ matrix.arch }}-bin
@@ -342,7 +342,7 @@ jobs:
         chain: ["main"]
     steps:
     - name: Download runtime
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: ${{ matrix.chain }}-runtime
 
diff --git a/node/generic-runtime/src/lib.rs b/node/generic-runtime/src/lib.rs
index 6a8bb746..4404ee14 100644
--- a/node/generic-runtime/src/lib.rs
+++ b/node/generic-runtime/src/lib.rs
@@ -1,4 +1,4 @@
-//////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
 //
 //  Copyright 2018-2024 Robonomics Network <research@robonomics.network>
 //