diff --git a/app/build.gradle b/app/build.gradle
index a88f62d06a..898eb23435 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile
+
 import java.text.SimpleDateFormat
 
 apply plugin: 'com.android.application'
@@ -134,7 +136,7 @@ dependencies {
     // UI library
     implementation 'com.google.android.material:material:1.1.0'
 
-    standardImplementation 'com.google.firebase:firebase-core:17.4.0'
+    standardImplementation 'com.google.firebase:firebase-core:17.4.1'
 
     // ReactiveX
     implementation 'io.reactivex:rxandroid:1.2.1'
@@ -143,13 +145,13 @@ dependencies {
     implementation 'com.github.pwittchen:reactivenetwork:0.13.0'
 
     // Network client
-    final okhttp_version = '4.5.0'
+    final okhttp_version = '4.7.2'
     implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
     implementation "com.squareup.okhttp3:logging-interceptor:$okhttp_version"
     implementation 'com.squareup.okio:okio:2.6.0'
 
     // REST
-    final retrofit_version = '2.8.1'
+    final retrofit_version = '2.9.0'
     implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
     implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
     implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
@@ -254,7 +256,7 @@ dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 
-    final coroutines_version = '1.3.5'
+    final coroutines_version = '1.3.7'
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
 
@@ -279,7 +281,7 @@ repositories {
 }
 
 // See https://kotlinlang.org/docs/reference/experimental.html#experimental-status-of-experimental-api-markers
-tasks.withType(org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile).all {
+tasks.withType(AbstractKotlinCompile).all {
     kotlinOptions.freeCompilerArgs += ["-Xopt-in=kotlin.Experimental"]
 }