diff --git a/typescript/infra/scripts/dedupe-verification-json.sh b/typescript/infra/scripts/dedupe-verification-json.sh
index 58cbb9ddd..1b732fa03 100755
--- a/typescript/infra/scripts/dedupe-verification-json.sh
+++ b/typescript/infra/scripts/dedupe-verification-json.sh
@@ -19,17 +19,33 @@ verification_files=$(find "$config_dir" -name "verification.json")
 for input_file in $verification_files; do
     echo "Processing file: $input_file"
 
+    # Check if the file contains valid JSON
+    if ! jq empty "$input_file" &>/dev/null; then
+        echo "Error: $input_file contains invalid JSON. Skipping file."
+        continue
+    fi
+
     # Get the list of chains
     chains=$(jq -r 'keys[]' "$input_file")
 
-    # Iterate through each chain and deduplicate its array in-place
+    # Iterate through each chain and deduplicate its array
     for chain in $chains; do
         echo "Deduplicating array for chain: $chain"
-        jq ".$chain |= (reduce .[] as \$item ([]; if any(.[]; .address == \$item.address) then . else . + [\$item] end))" "$input_file" > temp.json && mv temp.json "$input_file"
+
+        # Deduplicate in memory and only write back if changes are made
+        updated_json=$(jq ".$chain |= unique_by(.address)" "$input_file")
+
+        # Only overwrite if there are changes
+        if [ "$updated_json" != "$(cat "$input_file")" ]; then
+            echo "$updated_json" > "$input_file"
+            echo "File has been updated and deduplicated in-place: $input_file"
+        else
+            echo "No changes needed for $input_file"
+        fi
     done
 
-    echo "File has been deduplicated in-place: $input_file"
     echo
 done
 
 echo "All verification.json files have been processed."
+