diff --git a/app/build.gradle b/app/build.gradle
index 70d21ca1..c3e2edfb 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -61,7 +61,7 @@ dependencies {
     implementation 'joda-time:joda-time:2.10.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.0-beta2'
     implementation 'com.googlecode.ez-vcard:ez-vcard:0.10.5'
-    implementation 'com.github.tibbi:IndicatorFastScroll:96c9624247'
+    implementation 'com.github.tibbi:IndicatorFastScroll:af0dd6f58f'
 
     kapt "androidx.room:room-compiler:2.2.2"
     implementation "androidx.room:room-runtime:2.2.2"
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/fragments/MyViewPagerFragment.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/fragments/MyViewPagerFragment.kt
index 8f8a6dc8..c809663e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/fragments/MyViewPagerFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/fragments/MyViewPagerFragment.kt
@@ -360,6 +360,7 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
         fragment_fastscroller?.updateBubbleColors()
         fragment_fastscroller?.allowBubbleDisplay = config.showInfoBubble
         fragment_placeholder_2?.setTextColor(context.getAdjustedPrimaryColor())
+        letter_fastscroller_thumb?.fontSize = context.getTextSize()
     }
 
     private fun setupViewVisibility(hasItemsToShow: Boolean) {
diff --git a/app/src/main/res/layout/fragment_letters_layout.xml b/app/src/main/res/layout/fragment_letters_layout.xml
index d5a932b1..40368d0e 100644
--- a/app/src/main/res/layout/fragment_letters_layout.xml
+++ b/app/src/main/res/layout/fragment_letters_layout.xml
@@ -51,7 +51,7 @@
 
         <com.reddit.indicatorfastscroll.FastScrollerThumbView
             android:id="@+id/letter_fastscroller_thumb"
-            android:layout_width="40dp"
+            android:layout_width="@dimen/fab_size"
             android:layout_height="match_parent"
             android:layout_alignTop="@+id/letter_fastscroller"
             android:layout_alignBottom="@+id/letter_fastscroller"