diff --git a/app/build.gradle b/app/build.gradle
index 419d0737be..4483e3f627 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -307,7 +307,7 @@ dependencies {
     implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.28'
     implementation 'com.github.nextcloud-deps:qrcodescanner:0.1.2.4' // 'com.github.blikoon:QRCodeScanner:0.1.2'
     implementation 'com.google.android.flexbox:flexbox:3.0.0'
-    implementation('com.github.bumptech.glide:glide:3.8.0') {
+    implementation('com.github.bumptech.glide:glide:4.16.0') {
         exclude group: "com.android.support"
     }
     implementation 'com.caverock:androidsvg:1.4'
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 981bf24760..5569f46d5a 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="520410E2AF06FA82" 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"/>
@@ -5116,6 +5119,30 @@
             <sha256 value="65cc7897f3737bd56ac9ec404a3c6878a01037803e3ab0b04e6b8cfbb1952153" origin="Generated by Gradle" reason="Artifact is not signed"/>
          </artifact>
       </component>
+      <component group="com.github.bumptech.glide" name="annotations" version="4.16.0">
+         <artifact name="annotations-4.16.0.jar">
+            <sha256 value="c59e39b1b31b4d5592277cd90012149d740b569d4338f56443cac82c3fbda3d1" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="annotations-4.16.0.module">
+            <sha256 value="9b918e3367e87d9a95899c306436df5e365ca2d04e4e9041740534fc8341c31f" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
+      <component group="com.github.bumptech.glide" name="disklrucache" version="4.16.0">
+         <artifact name="disklrucache-4.16.0.jar">
+            <sha256 value="a227f6559c104aa5a5c88b0a70e9c7e3db6859e30b4774f3829121df9e627374" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="disklrucache-4.16.0.pom">
+            <sha256 value="a5e8df6f1d227c3e9be16fcbdfd3f533b21d8d03e2682add771af8f7cbbda944" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
+      <component group="com.github.bumptech.glide" name="gifdecoder" version="4.16.0">
+         <artifact name="gifdecoder-4.16.0.aar">
+            <sha256 value="955f872af4d2a321fea2a346fc472225a2b99524acc46781491712e39b6a214f" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="gifdecoder-4.16.0.pom">
+            <sha256 value="30a608f777ca7720028c365dd670fb5c372d0e1151b9401680e3d09472db0017" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
       <component group="com.github.bumptech.glide" name="glide" version="3.8.0">
          <artifact name="glide-3.8.0.jar">
             <sha256 value="750d9e7b940dc0ee48f8680623b55d46e14e8727acc922d7b156e57e7c549655" origin="Generated by Gradle"/>
@@ -5124,6 +5151,14 @@
             <sha256 value="bcc17e59e06a04a3f0e734034df0cb0e4135625beca0fb373033f48043d6f455" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.github.bumptech.glide" name="glide" version="4.16.0">
+         <artifact name="glide-4.16.0.aar">
+            <sha256 value="89811c63dd266a4851fd1b79c6fc0c982996ece435f5ff483fb830ca6cb53cd4" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+         <artifact name="glide-4.16.0.pom">
+            <sha256 value="e72c8e310d7a2b9cee5acdcdb92fd2ef6394eb72e56a96cacb5692404702e571" origin="Generated by Gradle" reason="A key couldn't be downloaded"/>
+         </artifact>
+      </component>
       <component group="com.github.chrisbanes" name="PhotoView" version="2.3.0">
          <artifact name="PhotoView-2.3.0.aar">
             <sha256 value="6c8989f2945d50ab38b3e0300064f1f8d2d75bbcae1434fe535d9fb6898e9ad6" origin="Generated by Gradle" reason="Artifact is not signed"/>