diff --git a/cookiecutter.json b/cookiecutter.json
index 9a588b4..adbf6a1 100644
--- a/cookiecutter.json
+++ b/cookiecutter.json
@@ -18,7 +18,6 @@
   "python_version": "3.X.0",
   "min_os_version": "24",
   "target_os_version": "35",
-  "extract_packages" : "",
   "build_gradle_dependencies": "",
   "build_gradle_extra_content": "",
   "android_manifest_attrs_extra_content": "",
diff --git a/{{ cookiecutter.format }}/app/build.gradle b/{{ cookiecutter.format }}/app/build.gradle
index aa3a62c..c3c0547 100644
--- a/{{ cookiecutter.format }}/app/build.gradle	
+++ b/{{ cookiecutter.format }}/app/build.gradle	
@@ -31,9 +31,11 @@ android {
                 pipOptions = pipOptions.findAll { !it.isBlank() }
                 options(*pipOptions)
             }
-            {%- if cookiecutter.extract_packages %}
-            extractPackages {{ cookiecutter.extract_packages }}
-            {%- endif %}
+            def f = new File(project.projectDir, "extract-packages.txt")
+            def packages = f.readLines("utf-8")
+                        .collect { it.trim() }
+                        .findAll { !it.isBlank() }
+            extractPackages(*packages)
         }
         ndk {
             {% if cookiecutter.python_version|py_tag in ["3.9", "3.10", "3.11"] %}
diff --git a/{{ cookiecutter.format }}/briefcase.toml b/{{ cookiecutter.format }}/briefcase.toml
index 87b0b1b..40708a9 100644
--- a/{{ cookiecutter.format }}/briefcase.toml	
+++ b/{{ cookiecutter.format }}/briefcase.toml	
@@ -1,12 +1,13 @@
 # Generated using Python {{ cookiecutter.python_version }}
 [briefcase]
-target_version = "0.3.15"
+target_version = "0.3.27"
 
 [paths]
 app_path = "app/src/main/python"
 app_requirements_path = "app/requirements.txt"
 app_requirement_installer_args_path = "app/pip-options.txt"
 metadata_resource_path = "app/src/main/res/values/briefcase.xml"
+extract_packages_path = "app/extract-packages.txt"
 
 icon.round.48 = "app/src/main/res/mipmap-mdpi/ic_launcher_round.png"
 icon.round.72 = "app/src/main/res/mipmap-hdpi/ic_launcher_round.png"