diff --git a/app/build.gradle b/app/build.gradle
index 46bb9df006..75857b5433 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -377,7 +377,7 @@ dependencies {
 
     implementation "org.osmdroid:osmdroid-android:6.1.20"
 
-    implementation("org.mnode.ical4j:ical4j:3.0.0") {
+    implementation("org.mnode.ical4j:ical4j:3.2.19") {
         ["org.apache.commons", "commons-logging"].each {
             exclude group: "$it"
         }
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 6c7ffdd53b..8d3ef225ad 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -10,6 +10,7 @@
       </trusted-artifacts>
       <ignored-keys>
          <ignored-key id="BDD2A76422470515" reason="Key couldn't be downloaded from any key server"/>
+         <ignored-key id="CAF5EC5919FEA27D" reason="Key couldn't be downloaded from any key server"/>
       </ignored-keys>
       <trusted-keys>
          <trusted-key id="015479E1055341431B4545AB72475FD306B9CAB7" group="com.googlecode.javaewah" name="JavaEWAH" version="1.2.3"/>
@@ -358,7 +359,11 @@
          <trusted-key id="D410F787672BA63BC2DD192B0C907617691418AE" group="org.greenrobot"/>
          <trusted-key id="D4C89EA4AAF455FD88B22087EFE8086F9E93774E" group="junit" name="junit" version="4.12"/>
          <trusted-key id="D54A395B5CF3F86EB45F6E426B1B008864323B92" group="org.antlr"/>
-         <trusted-key id="D6F1BC78607808EC8E9F69437A8860944FAD5F62" group="org.apache.commons" name="commons-parent"/>
+         <trusted-key id="D6F1BC78607808EC8E9F69437A8860944FAD5F62">
+            <trusting group="commons-validator" name="commons-validator" version="1.7"/>
+            <trusting group="org.apache.commons" name="commons-parent"/>
+         </trusted-key>
+         <trusted-key id="D71534DDED75B2DA189E14DF385EF0846E5CF3F3" group="org.mnode.ical4j" name="ical4j" version="3.2.19"/>
          <trusted-key id="D75E25B78EBB19E47C0A99BCA7764F502A938C99" group="com.google.protobuf"/>
          <trusted-key id="D878D4A823EAE731B729D1A8D2151178A123C97F">
             <trusting group="com.github.spotbugs.snom" name="spotbugs-gradle-plugin" version="6.1.12"/>
@@ -15215,6 +15220,14 @@
             <sha256 value="d5d81fcc288c0d8c711c302007cada4aa9a226ed1a112d4baa64cb1d6322170b" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="commons-digester" name="commons-digester" version="2.1">
+         <artifact name="commons-digester-2.1.jar">
+            <sha256 value="e0b2b980a84fc6533c5ce291f1917b32c507f62bcad64198fff44368c2196a3d" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="commons-digester-2.1.pom">
+            <sha256 value="15a59c0e757c6c07c3d1b689d735c8e3a9ec5695d6ceb6a941d4062ab22901b7" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
       <component group="commons-httpclient" name="commons-httpclient" version="3.1">
          <artifact name="commons-httpclient-3.1.jar">
             <pgp value="0785B3EFF60B1B1BEA94E0BB7C25280EAE63EBE5"/>
@@ -17444,6 +17457,11 @@
             <sha256 value="d78bd8524c5f8380a190a6525686629a95dfe512df21111383a6d8c0923a4415" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.apache" name="apache" version="7">
+         <artifact name="apache-7.pom">
+            <pgp value="BA926F64CA647B6D853A38672E2010F8A7FF4A41"/>
+         </artifact>
+      </component>
       <component group="org.apache" name="apache" version="9">
          <artifact name="apache-9.pom">
             <pgp value="DA7A1BB85B19E4FB05073431205C8673DC742C7C"/>