diff --git a/res/anim/slide_in.xml b/res/anim/slide_in.xml
index 9f9c4d4..56318e4 100644
--- a/res/anim/slide_in.xml
+++ b/res/anim/slide_in.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 <translate xmlns:android="http://schemas.android.com/apk/res/android"
-    android:interpolator="@android:interpolator/fast_out_slow_in"
+    android:interpolator="@interpolator/ease_in_interpolator"
     android:duration="666"
     android:fromYDelta="67%p"
     android:toYDelta="0" />
\ No newline at end of file
diff --git a/res/anim/slide_out.xml b/res/anim/slide_out.xml
index e77bcde..1cd39a7 100644
--- a/res/anim/slide_out.xml
+++ b/res/anim/slide_out.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 <translate xmlns:android="http://schemas.android.com/apk/res/android"
-    android:interpolator="@android:interpolator/fast_out_slow_in"
+    android:interpolator="@interpolator/ease_out_interpolator"
     android:duration="429"
     android:fromYDelta="0"
     android:toYDelta="80%p" />
\ No newline at end of file