diff --git a/.github/actions/download-releases/action.yml b/.github/actions/download-releases/action.yml
index d75909441..d4ae86138 100644
--- a/.github/actions/download-releases/action.yml
+++ b/.github/actions/download-releases/action.yml
@@ -12,8 +12,8 @@ runs:
     - shell: bash
       run: |
         curl "https://raw.githubusercontent.com/witnet/genesis_block/master/latest/genesis_block.json" -o genesis_block.json
-        cp witnet.toml release/
         cp genesis_block.json release/
+        cp witnet.toml release/
 
     # Download & Hash Releases
     # Macos
@@ -24,6 +24,7 @@ runs:
     - shell: bash
       run: |
         cp genesis_block.json ./all-releases/macos/
+        cp witnet.toml ./all-releases/macos/
         cp all-releases/macos/witnet_toolkit release/witnet_toolkit-x86_64-apple-darwin
 
     # Windows
@@ -34,6 +35,7 @@ runs:
     - shell: bash
       run: |
         cp genesis_block.json ./all-releases/windows/
+        cp witnet.toml ./all-releases/windows/
         cp all-releases/windows/witnet_toolkit.exe release/witnet_toolkit-x86_64-pc-windows-msvc.exe
 
     # x86_64
@@ -44,6 +46,7 @@ runs:
     - shell: bash
       run: |
         cp genesis_block.json ./all-releases/x86_64/
+        cp witnet.toml ./all-releases/x86_64/
         cp all-releases/x86_64/witnet_toolkit release/witnet_toolkit-x86_64-unknown-linux-gnu
 
     # armv7
@@ -54,6 +57,7 @@ runs:
     - shell: bash
       run: |
         cp genesis_block.json ./all-releases/armv7/
+        cp witnet.toml ./all-releases/armv7/
         cp all-releases/armv7/witnet_toolkit release/witnet_toolkit-armv7-unknown-linux-gnueabihf
 
     # aarch64
@@ -64,9 +68,10 @@ runs:
     - shell: bash
       run: |
         cp genesis_block.json ./all-releases/aarch64/
+        cp witnet.toml ./all-releases/aarch64/
         cp all-releases/aarch64/witnet_toolkit release/witnet_toolkit-aarch64-unknown-linux-gnu
 
-    # Copy gensis_block & witnet.toml
+    # Copy genesis_block & witnet.toml
     - shell: bash
       run: |
         cp genesis_block.json ./release
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index e0d4659f8..eee2c4fd6 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -133,6 +133,10 @@ jobs:
       - name: Building Macos Binary
         run: MACOSX_DEPLOYMENT_TARGET=10.12 OPENSSL_STATIC=1 OPENSSL_DIR="/usr/local/opt/openssl" cargo build --release -p witnet -p witnet_toolkit
 
+      # Ensure that distributable binary files can be executed
+      - name: Make binaries executable
+        run: chmod +x target/release/witnet*
+
       # Upload Build Releases
       - uses: actions/upload-artifact@v3
         with:
diff --git a/docker/cross-compilation/aarch64-unknown-linux-gnu/Dockerfile b/docker/cross-compilation/aarch64-unknown-linux-gnu/Dockerfile
index efa395f26..4b262f7a1 100644
--- a/docker/cross-compilation/aarch64-unknown-linux-gnu/Dockerfile
+++ b/docker/cross-compilation/aarch64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:focal
 
 # Install basic environment dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/docker/cross-compilation/arm-unknown-linux-gnueabihf/Dockerfile b/docker/cross-compilation/arm-unknown-linux-gnueabihf/Dockerfile
index b633f8a4f..f513de2aa 100644
--- a/docker/cross-compilation/arm-unknown-linux-gnueabihf/Dockerfile
+++ b/docker/cross-compilation/arm-unknown-linux-gnueabihf/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:focal
 
 # Install basic environment dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/docker/cross-compilation/armv7-unknown-linux-gnueabihf/Dockerfile b/docker/cross-compilation/armv7-unknown-linux-gnueabihf/Dockerfile
index af14a17e2..4f344bfec 100644
--- a/docker/cross-compilation/armv7-unknown-linux-gnueabihf/Dockerfile
+++ b/docker/cross-compilation/armv7-unknown-linux-gnueabihf/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:focal
 
 # Install basic environment dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/docker/cross-compilation/x86_64-unknown-linux-gnu/Dockerfile b/docker/cross-compilation/x86_64-unknown-linux-gnu/Dockerfile
index ec9746b9c..fc83400fc 100644
--- a/docker/cross-compilation/x86_64-unknown-linux-gnu/Dockerfile
+++ b/docker/cross-compilation/x86_64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:focal
 
 # Install basic environment dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/docker/witnet-rust/Dockerfile b/docker/witnet-rust/Dockerfile
index e4d918bfb..0033645bf 100644
--- a/docker/witnet-rust/Dockerfile
+++ b/docker/witnet-rust/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$TARGETPLATFORM ubuntu:focal
+FROM --platform=$TARGETPLATFORM ubuntu:jammy
 
 # Install basic environment dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/docker/witnet-rust/downloader.sh b/docker/witnet-rust/downloader.sh
index 5e3037182..2e614a321 100755
--- a/docker/witnet-rust/downloader.sh
+++ b/docker/witnet-rust/downloader.sh
@@ -16,6 +16,10 @@ if [[ "$TRIPLET" == *"linux"* ]]; then
     TRIPLET=${TRIPLET/pc/unknown}
 fi
 
+if [[ "$TRIPLET" == *"arm-"* ]]; then
+    TRIPLET=${TRIPLET/arm/armv7}
+fi
+
 URL="https://github.com/witnet/witnet-rust/releases/download/$VERSION/witnet-$VERSION-$TRIPLET.tar.gz"
 
 FILENAME="$VERSION.tar.gz"