diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index bb4493707f..131e44d798 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="2.1.0" />
+    <option name="version" value="2.1.20" />
   </component>
 </project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 21c9610da3..83b80c9cb6 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 
 | Readium   | Android min SDK | Android compile SDK | Kotlin compiler (✻) | Gradle (✻) |
 |-----------|-----------------|---------------------|---------------------|------------|
-| `develop` | 21              | 35                  | 2.1.0               | 8.11       |
+| `develop` | 21              | 35                  | 2.1.20              | 8.13       |
 | 3.0.0     | 21              | 34                  | 1.9.24              | 8.6.0      |
 | 2.3.0     | 21              | 33                  | 1.7.10              | 6.9.3      |
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index daa1ad3540..ea97309d89 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,34 +1,34 @@
 [versions]
 
-kotlin = "2.1.0"
-agp = "8.7.2"
-desugar_jdk_libs = "2.1.2"
+kotlin = "2.1.20"
+agp = "8.9.1"
+desugar_jdk_libs = "2.1.5"
 gradle-maven-publish-plugin = "0.28.0"
 
-androidx-activity = "1.9.3"
+androidx-activity = "1.10.1"
 androidx-annotation = "1.9.1"
 androidx-appcompat = "1.7.0"
 androidx-browser = "1.8.0"
 androidx-cardview = "1.0.0"
-androidx-compose-animation = "1.7.5"
-androidx-compose-foundation = "1.7.5"
-androidx-compose-material = "1.7.5"
+androidx-compose-animation = "1.7.8"
+androidx-compose-foundation = "1.7.8"
+androidx-compose-material = "1.7.8"
 androidx-compose-material3 = "1.3.1"
-androidx-compose-runtime = "1.7.5"
-androidx-compose-ui = "1.7.5"
-androidx-constraintlayout = "2.2.0"
+androidx-compose-runtime = "1.7.8"
+androidx-compose-ui = "1.7.8"
+androidx-constraintlayout = "2.2.1"
 androidx-core = "1.15.0"
-androidx-datastore = "1.1.1"
-androidx-fragment-ktx = "1.8.5"
+androidx-datastore = "1.1.4"
+androidx-fragment-ktx = "1.8.6"
 androidx-legacy = "1.0.0"
 androidx-lifecycle = "2.8.7"
-androidx-media3 = "1.5.0"
-androidx-navigation = "2.8.4"
-androidx-paging = "3.3.4"
-androidx-recyclerview = "1.3.2"
+androidx-media3 = "1.6.0"
+androidx-navigation = "2.8.9"
+androidx-paging = "3.3.6"
+androidx-recyclerview = "1.4.0"
 androidx-room = "2.6.1"
 androidx-viewpager2 = "1.1.0"
-androidx-webkit = "1.12.1"
+androidx-webkit = "1.13.0"
 
 assertj = "3.26.3"
 
@@ -40,14 +40,14 @@ joda-time = "2.13.0"
 jsoup = "1.18.1"
 junit = "4.13.2"
 
-kotlinx-coroutines = "1.9.0"
-kotlinx-coroutines-test = "1.9.0"
+kotlinx-coroutines = "1.10.1"
+kotlinx-coroutines-test = "1.10.1"
 kotlinx-datetime = "0.6.1"
 kotlinx-serialization-json = "1.7.3"
 
 # Make sure to align with the Kotlin version.
 # See https://github.com/google/ksp/releases
-ksp = "2.1.0-1.0.29"
+ksp = "2.1.20-1.0.32"
 
 ktlint = "12.1.1"
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e48eca5755..2733ed5dc3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.11-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/readium/navigators/media/tts/src/main/java/org/readium/navigator/media/tts/session/TtsSessionAdapter.kt b/readium/navigators/media/tts/src/main/java/org/readium/navigator/media/tts/session/TtsSessionAdapter.kt
index bf82d849bf..8ff52c20ce 100644
--- a/readium/navigators/media/tts/src/main/java/org/readium/navigator/media/tts/session/TtsSessionAdapter.kt
+++ b/readium/navigators/media/tts/src/main/java/org/readium/navigator/media/tts/session/TtsSessionAdapter.kt
@@ -85,7 +85,7 @@ internal class TtsSessionAdapter<E : TtsEngine.Error>(
     )
 
     init {
-        val streamType = Util.getStreamTypeForAudioUsage(audioAttributes.usage)
+        val streamType = audioAttributes.streamType
         streamVolumeManager.setStreamType(streamType)
     }
 
@@ -452,7 +452,7 @@ internal class TtsSessionAdapter<E : TtsEngine.Error>(
     }
 
     override fun getTrackSelectionParameters(): TrackSelectionParameters {
-        return TrackSelectionParameters.Builder(application)
+        return TrackSelectionParameters.Builder()
             .build()
     }