diff --git a/.github/workflows/publish-to-aws.yaml b/.github/workflows/publish-to-aws.yaml
index ce28d28..d763226 100644
--- a/.github/workflows/publish-to-aws.yaml
+++ b/.github/workflows/publish-to-aws.yaml
@@ -35,8 +35,41 @@ jobs:
       - name: Get package version
         id: get_version
         run: |
-          chmod +x ./scripts/get_version.sh
-          VERSION=$(./scripts/get_version.sh)
+          echo "Current working directory:"
+          pwd
+          echo "Listing files:"
+          ls -la
+
+          echo "Checking if version file exists..."
+          if [ -f "src/atlas/_version.py" ]; then
+            echo "Version file found:"
+            cat src/atlas/_version.py
+            
+            # Extract version directly
+            VERSION=$(grep -E '^__version__\s*=' src/atlas/_version.py | grep -o '".*"' | tr -d '"')
+            echo "Direct extraction result: '$VERSION'"
+          else
+            echo "Version file not found, trying script method..."
+          fi
+
+          # Fallback to script method if direct extraction failed
+          if [ -z "$VERSION" ]; then
+            echo "Trying script method..."
+            chmod +x ./scripts/get_version.sh
+            ls -la ./scripts/get_version.sh
+            VERSION=$(./scripts/get_version.sh 2>&1)
+            echo "Script output: '$VERSION'"
+            
+            # Extract just the version (last line) in case there's debug output
+            VERSION=$(echo "$VERSION" | tail -n 1)
+          fi
+
+          if [ -z "$VERSION" ]; then
+            echo "Error: Could not extract version"
+            exit 1
+          fi
+
+          echo "Final version: '$VERSION'"
           echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
           echo "Package version: $VERSION"
 
@@ -60,24 +93,58 @@ jobs:
         id: list_versions
         run: |
           # Get existing versions from S3 (ignore errors if bucket is empty)
-          aws s3 ls s3://${{ secrets.S3_BUCKET_NAME }}/versions/ || true > existing_versions.txt
+          aws s3 ls s3://${{ secrets.S3_BUCKET_NAME }}/versions/ 2>/dev/null > existing_versions.txt || echo "" > existing_versions.txt
+
+          # Extract version numbers from S3 listing
+          EXISTING_VERSIONS=""
+          if [ -s existing_versions.txt ]; then
+            EXISTING_VERSIONS=$(awk '{print $2}' existing_versions.txt | sed 's/\///g' | grep -v '^$' | sort -V || true)
+          fi
 
-          # Extract version numbers and add current version
-          VERSIONS=$(awk '{print $2}' existing_versions.txt | sed 's/\///g' | sort -V)
           CURRENT_VERSION="${{ steps.get_version.outputs.VERSION }}"
+          echo "Current version: $CURRENT_VERSION"
+          echo "Existing versions from S3: $EXISTING_VERSIONS"
+
+          # Validate current version is not empty
+          if [ -z "$CURRENT_VERSION" ]; then
+            echo "Error: Current version is empty"
+            exit 1
+          fi
 
           # Combine existing and current versions, remove duplicates, and sort
-          ALL_VERSIONS=$(echo -e "$VERSIONS\n$CURRENT_VERSION" | sort -V | uniq)
+          if [ -z "$EXISTING_VERSIONS" ]; then
+            ALL_VERSIONS="$CURRENT_VERSION"
+          else
+            ALL_VERSIONS=$(echo -e "$EXISTING_VERSIONS\n$CURRENT_VERSION" | sort -V | uniq | grep -v '^$' || echo "$CURRENT_VERSION")
+          fi
 
           echo "Available versions:"
           echo "$ALL_VERSIONS"
 
-          # Save for use in HTML generation
-          echo "$ALL_VERSIONS" > all_versions.txt
+          # Save for use in HTML generation (ensure no empty lines)
+          if [ -n "$ALL_VERSIONS" ]; then
+            echo "$ALL_VERSIONS" | grep -v '^$' > all_versions.txt || echo "$ALL_VERSIONS" > all_versions.txt
+          else
+            echo "$CURRENT_VERSION" > all_versions.txt
+          fi
+
+          # Format for JSON array (for potential future use) - simplified approach
+          VERSIONS_JSON="["
+          FIRST=true
+          while IFS= read -r version; do
+            if [ -n "$version" ]; then
+              if [ "$FIRST" = true ]; then
+                VERSIONS_JSON="$VERSIONS_JSON\"$version\""
+                FIRST=false
+              else
+                VERSIONS_JSON="$VERSIONS_JSON,\"$version\""
+              fi
+            fi
+          done < all_versions.txt
+          VERSIONS_JSON="$VERSIONS_JSON]"
 
-          # Format for JSON array (for potential future use)
-          VERSIONS_JSON=$(echo "$ALL_VERSIONS" | jq -R . | jq -s .)
           echo "VERSIONS_JSON=$VERSIONS_JSON" >> $GITHUB_OUTPUT
+          echo "Generated JSON: $VERSIONS_JSON"
 
       - name: Copy package files to simple index (all versions)
         run: |