diff --git a/script/build.sh b/script/build.sh
index d51f31b..8e41daa 100755
--- a/script/build.sh
+++ b/script/build.sh
@@ -32,8 +32,9 @@ url_prefix='https://github.com/'
 # Create each repo
 pushd "$layout_dir"
 for action_script in $script_dir/generated/*.sh; do
-  . $action_script
+  . $action_script &
 done
+wait
 popd
 
 # List the repositories
diff --git a/script/internal/generate-scripts.sh b/script/internal/generate-scripts.sh
index 3530c02..8fff7e9 100755
--- a/script/internal/generate-scripts.sh
+++ b/script/internal/generate-scripts.sh
@@ -35,9 +35,9 @@ for json_file in $script_dir/../../config/actions/*.json; do
     branch="${split[0]}"
     sha="${split[1]}"
 
-    # Append curl download command
-    curl_download_commands+=("curl -s -S -L -o '$sha.tar.gz' 'https://api.github.com/repos/$owner/$repo/tarball/$sha'")
-    curl_download_commands+=("curl -s -S -L -o '$sha.zip' 'https://api.github.com/repos/$owner/$repo/zipball/$sha'")
+    # Append curl download command with retry and error handling
+    curl_download_commands+=("curl --retry 5 --retry-delay 2 --retry-max-time 60 --fail -s -S -L -o '$sha.tar.gz' 'https://api.github.com/repos/$owner/$repo/tarball/$sha' &")
+    curl_download_commands+=("curl --retry 5 --retry-delay 2 --retry-max-time 60 --fail -s -S -L -o '$sha.zip' 'https://api.github.com/repos/$owner/$repo/zipball/$sha' &")
   done
 
   # Get an array of tag info. Each item contains "<tag> <commit_sha>"
@@ -49,9 +49,9 @@ for json_file in $script_dir/../../config/actions/*.json; do
     tag="${split[0]}"
     sha="${split[1]}"
 
-    # Append curl download command
-    curl_download_commands+=("curl -s -S -L -o '$sha.tar.gz' 'https://api.github.com/repos/$owner/$repo/tarball/$sha'")
-    curl_download_commands+=("curl -s -S -L -o '$sha.zip' 'https://api.github.com/repos/$owner/$repo/zipball/$sha'")
+    # Append curl download command with retry and error handling
+    curl_download_commands+=("curl --retry 5 --retry-delay 2 --retry-max-time 60 --fail -s -S -L -o '$sha.tar.gz' 'https://api.github.com/repos/$owner/$repo/tarball/$sha' &")
+    curl_download_commands+=("curl --retry 5 --retry-delay 2 --retry-max-time 60 --fail -s -S -L -o '$sha.zip' 'https://api.github.com/repos/$owner/$repo/zipball/$sha' &")
   done
 
   # Append curl commands
@@ -61,5 +61,7 @@ for json_file in $script_dir/../../config/actions/*.json; do
   do
     echo "$curl_download_command" >> "$script_file"
   done
+  echo "wait" >> "$script_file"
+  echo "sleep 1" >> "$script_file"  # Brief pause for process settlement
   echo "popd" >> "$script_file"
 done