diff --git a/.github/workflows/add-to-registry.yml b/.github/workflows/add-to-registry.yml
index d0536c8f..4b56a8fc 100644
--- a/.github/workflows/add-to-registry.yml
+++ b/.github/workflows/add-to-registry.yml
@@ -3,6 +3,8 @@ on:
   push:
     branches:
       - main
+    paths:
+      - '**/*.cairo'
       
 jobs:
   test:
diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index 140ac19a..05d9aba5 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -13,7 +13,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3  # Update to v3
         with:
           fetch-depth: 0  # Fetch all history and tags
 
@@ -84,7 +84,7 @@ jobs:
           bumpversion patch --allow-dirty
           NEW_VERSION=$(python setup.py --version)
           echo "NEW_VERSION=$NEW_VERSION" >> $GITHUB_ENV
-          git push --tags
+          git push origin "v${NEW_VERSION}"  # Push only the new tag
           git push
 
       - name: Build and push Docker image
@@ -97,6 +97,7 @@ jobs:
             dataprocessor/hdp-cairo:v${{ env.NEW_VERSION }}
           platforms: linux/amd64,linux/arm64
           push: true
+          context: https://github.com/HerodotusDev/hdp-cairo.git#main
 
       - name: Debug output
         run: |
diff --git a/tools/make/fuzzer.sh b/tools/make/fuzzer.sh
index 129ffaa0..f74e0c7f 100755
--- a/tools/make/fuzzer.sh
+++ b/tools/make/fuzzer.sh
@@ -49,12 +49,8 @@ cairo-compile --cairo_path="packages/eth_essentials" "$cairo_file" --output "bui
 # Export the function so it's accessible to subshells spawned by parallel
 export -f run_tests
 
-# Determine the number of available cores
-N=6
-echo "Using $N cores for parallel execution."
-
 # Run the same test file repeatedly, maintaining N parallel instances
-seq inf | parallel -j$N --halt soon,fail=1 run_tests $cairo_file
+seq inf | parallel --halt soon,fail=1 run_tests $cairo_file
 
 # Capture and return the exit status of parallel
 exit_status=$?
diff --git a/tools/make/requirements.txt b/tools/make/requirements.txt
index f3b41b6e..abdbd5ba 100644
--- a/tools/make/requirements.txt
+++ b/tools/make/requirements.txt
@@ -6,4 +6,4 @@ python-dotenv
 pysha3
 web3==5.28.0
 trie
-black
\ No newline at end of file
+black