diff --git a/app/build.gradle b/app/build.gradle
index 419d0737be..2a729e5c1a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -358,7 +358,7 @@ dependencies {
 
     implementation 'org.osmdroid:osmdroid-android:6.1.18'
 
-    implementation('org.mnode.ical4j:ical4j:3.0.0') {
+    implementation('org.mnode.ical4j:ical4j:3.2.18') {
         ['org.apache.commons', 'commons-logging'].each {
             exclude group: "$it"
         }
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 981bf24760..6b6a532ccf 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -8,6 +8,9 @@
          <trust group="com.fasterxml.jackson" name="jackson-base" version="2.14.2" reason="no keys available, no pom artifact to create a checksum"/>
          <trust file=".*-sources[.]jar" regex="true"/>
       </trusted-artifacts>
+      <ignored-keys>
+         <ignored-key id="2E2010F8A7FF4A41" reason="Key couldn't be downloaded from any key server"/>
+      </ignored-keys>
       <trusted-keys>
          <trusted-key id="015479E1055341431B4545AB72475FD306B9CAB7" group="com.googlecode.javaewah" name="JavaEWAH" version="1.2.3"/>
          <trusted-key id="042B29E928995B9DB963C636C7CA19B7B620D787" group="com.github.stephenc.jcip" name="jcip-annotations" version="1.0-1"/>
@@ -229,6 +232,7 @@
          <trusted-key id="A6D6C97108B8585F91B158748671A8DF71296252" group="^com[.]squareup($|([.].*))" regex="true"/>
          <trusted-key id="A7892505CF1A58076453E52D7999BEFBA1039E8B" group="net.bytebuddy"/>
          <trusted-key id="A9789342F598AD5B1175EF357EB97D110DFADD60" group="com.googlecode.concurrent-trees" name="concurrent-trees" version="2.6.1"/>
+         <trusted-key id="A9F885A21BA0EFB7D0991E6CCAF5EC5919FEA27D" group="commons-digester" name="commons-digester" version="2.1"/>
          <trusted-key id="AA417737BD805456DB3CBDDE6601E5C08DCCBB96">
             <trusting group="info.picocli" name="picocli" version="4.6.2"/>
             <trusting group="info.picocli" name="picocli" version="4.7.4"/>
@@ -280,7 +284,11 @@
          <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="3.2.18"/>
          <trusted-key id="D75E25B78EBB19E47C0A99BCA7764F502A938C99" group="com.google.protobuf"/>
          <trusted-key id="DA7A1BB85B19E4FB05073431205C8673DC742C7C" group="org.apache" name="apache" version="9"/>
          <trusted-key id="DB0597E3144342256BC81E3EC727D053C4481CF5" group="org.tensorflow" name="tensorflow-lite-metadata"/>
@@ -7950,6 +7958,11 @@
             <sha256 value="555d0c9eaa69c042aff924927b9381e8f8174136d355eead445224452e6291cc" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.apache" name="apache" version="7">
+         <artifact name="apache-7.pom">
+            <sha256 value="1397ce1db433adc9f223dbf07496d133681448751f4ae29e58f68e78fb4b6c25" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
       <component group="org.apache" name="apache" version="9">
          <artifact name="apache-9.pom">
             <pgp value="DA7A1BB85B19E4FB05073431205C8673DC742C7C"/>