diff --git a/bootstrapvz/base/manifest-schema.json b/bootstrapvz/base/manifest-schema.json
index 36fc166..15bb1aa 100644
--- a/bootstrapvz/base/manifest-schema.json
+++ b/bootstrapvz/base/manifest-schema.json
@@ -11,7 +11,23 @@
 			"properties": {
 				"workspace": { "$ref": "#/definitions/path" },
 				"mirror":    { "type": "string", "format": "uri" },
-				"tarball":   { "type": "boolean" }
+				"tarball":   { "type": "boolean" },
+				"include_packages": {
+					"type": "array",
+					"items": {
+					    "type": "string",
+						"pattern": "^[^/]+(/[^/]+)?$"
+					},
+					"minItems": 1
+				},
+				"exclude_packages": {
+					"type": "array",
+					"items": {
+					    "type": "string",
+						"pattern": "^[^/]+(/[^/]+)?$"
+					},
+					"minItems": 1
+				}
 			},
 			"required": ["workspace"]
 		},
diff --git a/bootstrapvz/common/task_groups.py b/bootstrapvz/common/task_groups.py
index 1bc7303..c10c177 100644
--- a/bootstrapvz/common/task_groups.py
+++ b/bootstrapvz/common/task_groups.py
@@ -44,6 +44,10 @@ def get_base_group(manifest):
 	         ]
 	if manifest.bootstrapper.get('tarball', False):
 		group.append(bootstrap.MakeTarball)
+	if manifest.bootstrapper.get('include_packages', False):
+		group.append(bootstrap.IncludePackagesInBootstrap)
+	if manifest.bootstrapper.get('exclude_packages', False):
+		group.append(bootstrap.ExcludePackagesInBootstrap)
 	return group
 
 
diff --git a/bootstrapvz/common/tasks/bootstrap.py b/bootstrapvz/common/tasks/bootstrap.py
index 3d5e26d..cc7de40 100644
--- a/bootstrapvz/common/tasks/bootstrap.py
+++ b/bootstrapvz/common/tasks/bootstrap.py
@@ -74,3 +74,29 @@ class Bootstrap(Task):
 
 		from ..tools import log_check_call
 		log_check_call(executable + options + arguments)
+
+
+class IncludePackagesInBootstrap(Task):
+	description = 'Add packages in the bootstrap phase'
+	phase = phases.preparation
+	successors = [Bootstrap]
+
+	@classmethod
+	def run(cls, info):
+		info.include_packages = \
+			info.include_packages.union(
+				set(info.manifest.bootstrapper['include_packages'])
+			)
+
+
+class ExcludePackagesInBootstrap(Task):
+	description = 'Remove packages from bootstrap phase'
+	phase = phases.preparation
+	successors = [Bootstrap]
+
+	@classmethod
+	def run(cls, info):
+		info.exclude_packages = \
+			info.exclude_packages.union(
+				set(info.manifest.bootstrapper['exclude_packages'])
+			)