diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c9ba8a4e866b..353cfab56e8b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -41,7 +41,7 @@ flexboxVersion = "3.0.0"
 fragmentKtxVersion = "1.8.9"
 glide = "5.0.5"
 gsonVersion = "2.13.2"
-ical4jVersion = "3.2.19"
+ical4jVersion = "4.2.2"
 jackrabbitWebdavVersion = "2.13.5"
 jacoco = "0.8.14"
 jsonVersion = "20250517"
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index cf85841d432f..e086409ae968 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -17,6 +17,10 @@
          <trust file=".*-javadoc[.]jar" regex="true" reason="Android Studio downloads javadoc jars but doesn't add checksums - fixes building in AS"/>
          <trust file=".*-sources[.]jar" regex="true" reason="Android Studio downloads source jars but doesn't add checksums - fixes building in AS"/>
       </trusted-artifacts>
+      <ignored-keys>
+         <ignored-key id="16968D251E760606" reason="Key couldn't be downloaded from any key server"/>
+         <ignored-key id="72385FF0AF338D52" 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="03C123038C20AAE9E286C857479D601F3A7B5C1A" group="^com[.]github[.]ajalt($|([.].*))" regex="true"/>
@@ -34506,6 +34510,14 @@
             <sha256 value="ea23365abca70f90613ed7ed452ceaea3c48831181bfa0c18b21f2aa63659e76" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.mnode.ical4j" name="ical4j" version="4.2.2">
+         <artifact name="ical4j-4.2.2.jar">
+            <sha256 value="224ed816e81899ca3c2f78f61945182deac67ecd697bb49cd83396bd2c693ada" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="ical4j-4.2.2.module">
+            <sha256 value="f883a0bf7322bc9e2f36d7c65aba5807aff40b25e24156ac1be01ca5a7faf7f1" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
       <component group="org.mockito" name="mockito-android" version="4.11.0">
          <artifact name="mockito-android-4.11.0.jar">
             <sha256 value="c631906a7909199f47c4e0d68137bd37a909d2577f06548fe2642b7189cf6358" origin="Generated by Gradle"/>
@@ -35240,6 +35252,14 @@
             <sha256 value="0fe31326e83b7622cbcd9c75d467b291f01ffe3cc6e3e76651ac05a1c1c7a360" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.threeten" name="threeten-extra" version="1.8.0">
+         <artifact name="threeten-extra-1.8.0.jar">
+            <sha256 value="51e4d21edc4e9447f7760c050e0baee75d7d973f387ba605a17abdc4d24fd6d8" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="threeten-extra-1.8.0.pom">
+            <sha256 value="a5d8cdf2592bda1ef405965883db2da431b267c76de300d075821e20f6dc0c7d" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
       <component group="org.tukaani" name="xz" version="1.9">
          <artifact name="xz-1.9.jar">
             <sha256 value="211b306cfc44f8f96df3a0a3ddaf75ba8c5289eed77d60d72f889bb855f535e5" origin="Generated by Gradle"/>