diff --git a/app/build.gradle b/app/build.gradle
index 642c52339c..230f8ce64d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -293,8 +293,8 @@ dependencies {
     def core_version = "1.6.0" // 1.7.0
     def shortcuts_version = "1.0.0"
     def appcompat_version = "1.3.1"
-    def activity_version = "1.3.1" // 1.4.0
-    def fragment_version = "1.3.6" // 1.4.0-beta01
+    def activity_version = "1.4.0"
+    def fragment_version = "1.4.0-beta01"
     def webkit_version = "1.4.0"
     def recyclerview_version = "1.2.1"
     def coordinatorlayout_version = "1.1.0"