diff --git a/app/build.gradle b/app/build.gradle
index 65c54c26..ca656775 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,7 +7,7 @@ android {
         applicationId "com.voipgrid.app"
         minSdkVersion 16
         targetSdkVersion 27
-        versionCode 77
+        versionCode 78
         versionName "5.2"
         multiDexEnabled true
         flavorDimensions "default"
diff --git a/app/src/main/java/com/voipgrid/vialer/util/AppVersions.java b/app/src/main/java/com/voipgrid/vialer/util/AppVersions.java
index ce1f864c..e695a565 100644
--- a/app/src/main/java/com/voipgrid/vialer/util/AppVersions.java
+++ b/app/src/main/java/com/voipgrid/vialer/util/AppVersions.java
@@ -7,5 +7,5 @@ public interface AppVersions {
 
     int v2_1_1 = 35;
     int v4_0 = 50;
-    int v5_2 = 77; // Due to change when secure calling is released.
+    int v5_2 = 78;
 }