diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index b9b749e..bf34a2a 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -160,7 +160,7 @@ play {
 dependencies {
   implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.jar", "*.aar"))))
 
-  implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.7.22")
+  implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.8.0")
   implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
   implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4")
 
diff --git a/app/src/main/java/audio/funkwhale/ffa/activities/SettingsActivity.kt b/app/src/main/java/audio/funkwhale/ffa/activities/SettingsActivity.kt
index 28c11a5..fa79a2c 100644
--- a/app/src/main/java/audio/funkwhale/ffa/activities/SettingsActivity.kt
+++ b/app/src/main/java/audio/funkwhale/ffa/activities/SettingsActivity.kt
@@ -148,7 +148,7 @@ class SettingsFragment :
       }
 
       preferenceManager.findPreference<SeekBarPreference>("media_cache_size")?.let {
-        it.summary = getString(R.string.settings_media_cache_size_summary, it.value)
+        it.summary = getString(R.string.settings_media_cache_size_summary, it.value as Int) // manual cast to address a bug in AGP
       }
 
       preferenceManager.findPreference<Preference>("version")?.let {
diff --git a/build.gradle.kts b/build.gradle.kts
index 41710d0..54d9de5 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ buildscript {
 
   dependencies {
     classpath("com.android.tools.build:gradle:7.3.1")
-    classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.22")
+    classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.8.0")
     classpath("com.github.bjoernq:unmockplugin:0.7.9")
     classpath("com.github.ben-manes:gradle-versions-plugin:0.44.0")
     classpath("org.jacoco:org.jacoco.core:0.8.8")