diff --git a/app/build.gradle b/app/build.gradle
index ad7d76381100..68b778d2c41a 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:3.0.29') {
         ['org.apache.commons', 'commons-logging'].each {
             exclude group: "$it"
         }