diff --git a/build.gradle b/build.gradle
index 0af85f0f1..76e174c21 100644
--- a/build.gradle
+++ b/build.gradle
@@ -184,15 +184,14 @@ dependencies {
     implementation 'com.pnikosis:materialish-progress:1.5' // used only in the "Progress Wheel" in Share Activity.
     implementation 'com.soundcloud.android:android-crop:1.0.1@aar' // used for profile and group avatar selection in Android SDK<19
     implementation 'com.nineoldandroids:library:2.4.0' // DEPRECATED! Used to slide in the half-camera.
-    implementation 'mobi.upod:time-duration-picker:1.1.3' // Used to pick the time for inactivity.
-    implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'  // number of unread messages,
+    implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1@aar'  // number of unread messages,
     // the one-letter circle for the contacts (when there is not avatar) and a white background.
     implementation 'com.googlecode.mp4parser:isoparser:1.0.6' // MP4 recoding; upgrading eg. to 1.1.22 breaks recoding, however, i have not investigated further, just reset to 1.0.6
     implementation ('com.davemorrissey.labs:subsampling-scale-image-view:3.6.0') { // for the zooming on photos / media
         exclude group: 'com.android.support', module: 'support-annotations'
     }
     implementation 'com.annimon:stream:1.1.8' // brings future java streams api to SDK Version < 24
-    implementation 'com.codewaves.stickyheadergrid:stickyheadergrid:0.9.4' // glues the current time segment text in the gallery to the top.
+    implementation 'com.codewaves.stickyheadergrid:stickyheadergrid:0.9.4@aar' // glues the current time segment text in the gallery to the top.
 
     // Replacement for ContentResolver
     // that protects against the Surreptitious Sharing attack.
diff --git a/vendor/com.amulyakhare.textdrawable-1.0.1.aar b/vendor/com.amulyakhare.textdrawable-1.0.1.aar
new file mode 100644
index 000000000..d5e1cf970
Binary files /dev/null and b/vendor/com.amulyakhare.textdrawable-1.0.1.aar differ
diff --git a/vendor/relinker-1.4.1.aar b/vendor/relinker-1.4.1.aar
new file mode 100644
index 000000000..c3c421306
Binary files /dev/null and b/vendor/relinker-1.4.1.aar differ
diff --git a/vendor/stickyheadergrid-0.9.4.aar b/vendor/stickyheadergrid-0.9.4.aar
new file mode 100644
index 000000000..a704f0985
Binary files /dev/null and b/vendor/stickyheadergrid-0.9.4.aar differ