diff --git a/build.gradle b/build.gradle
index 05c204428..e1ea9f7b7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ import com.android.build.OutputFile
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:4.2.0'
@@ -16,8 +16,8 @@ apply plugin: 'com.android.application'
 
 repositories {
     google()
-    jcenter()
     mavenCentral()
+    jcenter()
 }
 
 configurations {
@@ -35,7 +35,7 @@ configurations {
 dependencies {
     implementation 'androidx.viewpager:viewpager:1.0.0'
 
-    playstoreImplementation('com.google.firebase:firebase-messaging:21.1.0') {
+    playstoreImplementation('com.google.firebase:firebase-messaging:22.0.0') {
         exclude group: 'com.google.firebase', module: 'firebase-core'
         exclude group: 'com.google.firebase', module: 'firebase-analytics'
         exclude group: 'com.google.firebase', module: 'firebase-measurement-connector'
@@ -68,7 +68,7 @@ dependencies {
     implementation 'org.jxmpp:jxmpp-jid:1.0.1'
     implementation 'org.osmdroid:osmdroid-android:6.1.10'
     implementation 'org.hsluv:hsluv:0.2'
-    implementation 'org.conscrypt:conscrypt-android:2.2.1'
+    implementation 'org.conscrypt:conscrypt-android:2.5.2'
     implementation 'me.drakeet.support:toastcompat:1.1.0'
     implementation "com.leinardi.android:speed-dial:2.0.1"
 
@@ -76,7 +76,7 @@ dependencies {
     implementation "com.squareup.retrofit2:converter-gson:2.9.0"
     implementation "com.squareup.okhttp3:okhttp:4.9.1"
 
-    implementation 'com.google.guava:guava:30.1-android'
+    implementation 'com.google.guava:guava:30.1.1-android'
     quicksyImplementation 'io.michaelrocks:libphonenumber-android:8.12.18'
     implementation fileTree(include: ['libwebrtc-m90.aar'], dir: 'libs')
 }