diff --git a/MyTracks/default.properties b/MyTracks/default.properties
index 061e30159..ee3f68e34 100644
--- a/MyTracks/default.properties
+++ b/MyTracks/default.properties
@@ -10,7 +10,7 @@
 # Indicates whether an apk should be generated for each density.
 split.density=false
 # Project target.
-target=Google Inc.:Google APIs:11
+target=Google Inc.:Google APIs:13
 android.library.reference.1=../MyTracksLib/
 
 # ProGuard is turned off while we investigate the removal of code that
diff --git a/MyTracksLib/default.properties b/MyTracksLib/default.properties
index 2ba8b4cd2..52cb0c124 100644
--- a/MyTracksLib/default.properties
+++ b/MyTracksLib/default.properties
@@ -8,5 +8,5 @@
 # project structure.
 
 # Project target.
-target=android-11
+target=android-13
 android.library=true
diff --git a/MyTracksTest/.factorypath b/MyTracksTest/.factorypath
index 26bc0bdc0..75ad648ce 100644
--- a/MyTracksTest/.factorypath
+++ b/MyTracksTest/.factorypath
@@ -1,6 +1,6 @@
 <factorypath>
     <factorypathentry kind="WKSPJAR" id="/MyTracksTest/libs/AndroidMockGenerator.jar" enabled="true" runInBatchMode="false"/>
-    <factorypathentry kind="VARJAR" id="ANDROID_SDK/platforms/android-11/android.jar" enabled="true" runInBatchMode="false"/>
-    <factorypathentry kind="VARJAR" id="ANDROID_SDK/add-ons/addon_google_apis_google_inc_11/libs/maps.jar" enabled="true" runInBatchMode="false"/>
+    <factorypathentry kind="VARJAR" id="ANDROID_SDK/platforms/android-13/android.jar" enabled="true" runInBatchMode="false"/>
+    <factorypathentry kind="VARJAR" id="ANDROID_SDK/add-ons/addon_google_apis_google_inc_13/libs/maps.jar" enabled="true" runInBatchMode="false"/>
     <factorypathentry kind="VARJAR" id="MYTRACKS_BIN" enabled="true" runInBatchMode="false"/>
 </factorypath>
diff --git a/MyTracksTest/default.properties b/MyTracksTest/default.properties
index 533ddb5df..c647beec5 100644
--- a/MyTracksTest/default.properties
+++ b/MyTracksTest/default.properties
@@ -10,4 +10,4 @@
 # Indicates whether an apk should be generated for each density.
 split.density=false
 # Project target.
-target=Google Inc.:Google APIs:11
+target=Google Inc.:Google APIs:13
diff --git a/SignalStrengthSampler/default.properties b/SignalStrengthSampler/default.properties
index 4db050713..efb13cbcc 100644
--- a/SignalStrengthSampler/default.properties
+++ b/SignalStrengthSampler/default.properties
@@ -8,6 +8,6 @@
 # project structure.
 
 # Project target.
-target=Google Inc.:Google APIs:11
+target=android-10
 proguard.config=proguard.cfg
 android.library.reference.1=../MyTracksLib/
diff --git a/SignalStrengthSamplerTest/default.properties b/SignalStrengthSamplerTest/default.properties
index 728f51f97..66db0d159 100644
--- a/SignalStrengthSamplerTest/default.properties
+++ b/SignalStrengthSamplerTest/default.properties
@@ -8,4 +8,4 @@
 # project structure.
 
 # Project target.
-target=Google Inc.:Google APIs:11
+target=android-10