diff --git a/app/build.gradle b/app/build.gradle
index 2b86b1c5334c..5d0b4fb1311e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -360,7 +360,7 @@ dependencies {
 
     implementation 'org.osmdroid:osmdroid-android:6.1.20'
 
-    implementation('org.mnode.ical4j:ical4j:3.0.0') {
+    implementation('org.mnode.ical4j:ical4j:4.0.8') {
         ['org.apache.commons', 'commons-logging'].each {
             exclude group: "$it"
         }