diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 7ac24c7..4b1861b 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -8,7 +8,9 @@
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/acrylic" />
             <option value="$PROJECT_DIR$/app" />
+            <option value="$PROJECT_DIR$/puzzlegame" />
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />
diff --git a/.idea/modules.xml b/.idea/modules.xml
index 2dd5a27..4ec6f95 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -3,7 +3,9 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/SSRMarcSautelet.iml" filepath="$PROJECT_DIR$/SSRMarcSautelet.iml" />
+      <module fileurl="file://$PROJECT_DIR$/acrylic/acrylic.iml" filepath="$PROJECT_DIR$/acrylic/acrylic.iml" />
       <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
+      <module fileurl="file://$PROJECT_DIR$/puzzlegame/puzzlegame.iml" filepath="$PROJECT_DIR$/puzzlegame/puzzlegame.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/acrylic/build.gradle b/acrylic/build.gradle
index 8aad7e4..f6f9448 100644
--- a/acrylic/build.gradle
+++ b/acrylic/build.gradle
@@ -27,6 +27,6 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.1.1'
+    compile 'com.android.support:appcompat-v7:25.3.0'
     testCompile 'junit:junit:4.12'
 }
diff --git a/acrylic/proguard-rules.pro b/acrylic/proguard-rules.pro
index 82c750e..7b88ef5 100644
--- a/acrylic/proguard-rules.pro
+++ b/acrylic/proguard-rules.pro
@@ -15,3 +15,11 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/puzzlegame/build.gradle b/puzzlegame/build.gradle
index b38b41b..2666a91 100644
--- a/puzzlegame/build.gradle
+++ b/puzzlegame/build.gradle
@@ -27,6 +27,6 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.1.1'
+    compile 'com.android.support:appcompat-v7:25.3.0'
     testCompile 'junit:junit:4.12'
 }
diff --git a/puzzlegame/proguard-rules.pro b/puzzlegame/proguard-rules.pro
index 82c750e..7b88ef5 100644
--- a/puzzlegame/proguard-rules.pro
+++ b/puzzlegame/proguard-rules.pro
@@ -15,3 +15,11 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/settings.gradle b/settings.gradle
index e7b4def..3e74ada 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1 @@
-include ':app'
+include ':app', ':acrylic', ':puzzlegame'
--
libgit2 0.21.2