diff --git a/pisi/api.py b/pisi/api.py
index cdc65be0..acc5da7a 100644
--- a/pisi/api.py
+++ b/pisi/api.py
@@ -140,7 +140,7 @@ def package_graph(A, ignore_installed = False):
         for x in B:
             pkg = packagedb.get_package(x)
             #print pkg
-            for dep in pkg.runtimeDependencies:
+            for dep in pkg.runtimeDependencies():
                 if ignore_installed:
                     if dependency.installed_satisfies_dep(dep):
                         continue
@@ -162,7 +162,7 @@ def configure_pending():
         Bp = set()
         for x in B.keys():
             pkg = packagedb.get_package(x)
-            for dep in pkg.runtimeDependencies:
+            for dep in pkg.runtimeDependencies():
                 if dep.package in G_f.vertices():
                     G_f.add_dep(x, dep)
         B = Bp
diff --git a/pisi/dependency.py b/pisi/dependency.py
index 02b49c1f..f95f214f 100644
--- a/pisi/dependency.py
+++ b/pisi/dependency.py
@@ -101,7 +101,7 @@ def satisfies_dependencies(pkg, deps, sat = installed_satisfies_dep):
     return True
 
 def satisfies_runtime_deps(pkg):
-    deps = packagedb.get_package(pkg).runtimeDependencies
+    deps = packagedb.get_package(pkg).runtimeDependencies()
     return satisfies_dependencies(pkg, deps)
 
 def installable(pkg):
diff --git a/pisi/metadata.py b/pisi/metadata.py
index 588bee0b..30935855 100644
--- a/pisi/metadata.py
+++ b/pisi/metadata.py
@@ -85,7 +85,8 @@ class MetaData(xmlfile.XmlFile):
         self.package.isA = pkg.isA
         self.package.partOf = pkg.partOf
         self.package.license = pkg.license
-        self.package.runtimeDependencies = pkg.runtimeDependencies
+        self.package.packageDependencies = pkg.packageDependencies
+        self.package.componentDependencies = pkg.componentDependencies
         self.package.files = pkg.files
         # FIXME: no need to copy full history with comments
         self.package.history = src.history
diff --git a/pisi/operations.py b/pisi/operations.py
index 4dd9aea3..a6f7905d 100644
--- a/pisi/operations.py
+++ b/pisi/operations.py
@@ -92,7 +92,7 @@ def install_pkg_files(package_URIs):
     dep_unsatis = []
     for name in d_t.keys():
         pkg = d_t[name]
-        deps = pkg.runtimeDependencies
+        deps = pkg.runtimeDependencies()
         for dep in deps:
             if not satisfiesDep(dep):
                 dep_unsatis.append(dep)
@@ -136,7 +136,7 @@ in the respective order to satisfy extra dependencies:
         Bp = set()
         for x in B:
             pkg = packagedb.get_package(x)
-            for dep in pkg.runtimeDependencies:
+            for dep in pkg.runtimeDependencies():
                 if dependency.dict_satisfies_dep(d_t, dep):
                     if not dep.package in G_f.vertices():
                         Bp.add(str(dep.package))
@@ -218,7 +218,7 @@ def install_pkg_names(A):
         Bp = set()
         for x in B:
             pkg = packagedb.get_package(x)
-            for dep in pkg.runtimeDependencies:
+            for dep in pkg.runtimeDependencies():
                 ctx.ui.debug('checking %s' % str(dep))
                 # we don't deal with already *satisfied* dependencies
                 if not dependency.installed_satisfies_dep(dep):
@@ -320,7 +320,7 @@ version %s, release %s, build %s.')
         Bp = set()
         for x in B:
             pkg = packagedb.get_package(x)
-            for dep in pkg.runtimeDependencies:
+            for dep in pkg.runtimeDependencies():
                 # add packages that can be upgraded
                 if dependency.repo_satisfies_dep(dep):
                     #TODO: distinguish must upgrade and upgradable
diff --git a/pisi/packagedb.py b/pisi/packagedb.py
index 2e213a5a..6fc7ce9d 100644
--- a/pisi/packagedb.py
+++ b/pisi/packagedb.py
@@ -72,7 +72,7 @@ class PackageDB(object):
     def add_package(self, package_info):
         name = str(package_info.name)
         self.d[name] = package_info
-        for dep in package_info.runtimeDependencies:
+        for dep in package_info.runtimeDependencies():
             dep_name = str(dep.package)
             if self.dr.has_key(dep_name):
                 self.dr[dep_name].append( (name, dep) )
diff --git a/pisi/specfile.py b/pisi/specfile.py
index 35cb80d8..d46c6531 100644
--- a/pisi/specfile.py
+++ b/pisi/specfile.py
@@ -167,7 +167,7 @@ class Package:
     t_PartOf = [autoxml.String, autoxml.optional]
     t_License = [ [autoxml.String], autoxml.optional]
     t_Icon = [ autoxml.String, autoxml.optional]
-    t_RuntimeDependencies = [ [Dependency], autoxml.optional]
+    t_PackageDependencies = [ [Dependency], autoxml.optional, "RuntimeDependencies/Dependency"]
     t_ComponentDependencies = [ [autoxml.String], autoxml.optional, "RuntimeDependencies/Component"]
     t_Files = [ [Path], autoxml.optional]
     t_Conflicts = [ [autoxml.String], autoxml.optional, "Conflicts/Package"]
@@ -175,7 +175,12 @@ class Package:
     #t_RequiresComar = [ [autoxml.String], autoxml.mandatory, "Requires/COMAR"]
     t_AdditionalFiles = [ [AdditionalFile], autoxml.optional]
     t_History = [ [Update], autoxml.optional]
-    
+
+    def runtimeDependencies(self):
+        deps = self.packageDependencies
+        deps += [ ctx.componentdb.get_component[x].packages for x in self.componentDependencies ]
+        return deps
+
     def pkg_dir(self):
         packageDir = self.name + '-' \
                      + self.version + '-' \
@@ -185,7 +190,7 @@ class Package:
 
     def installable(self):
         """calculate if pkg is installable currently"""
-        deps = self.runtimeDependencies
+        deps = self.runtimeDependencies()
         return pisi.dependency.satisfies_dependencies(self.name, deps)
 
     def __str__(self):