diff --git a/Complications/gradle/libs.versions.toml b/Complications/gradle/libs.versions.toml
index e1eadf927..54224d1b3 100644
--- a/Complications/gradle/libs.versions.toml
+++ b/Complications/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ android-gradle-plugin = "8.6.0"
 androidx-wear-watchface = "1.2.1"
 
 org-jetbrains-kotlin = "1.9.25"
-org-jetbrains-kotlinx = "1.8.1"
+org-jetbrains-kotlinx = "1.9.0"
 
 [libraries]
 androidx-core-ktx = "androidx.core:core-ktx:1.13.1"
diff --git a/DataLayer/gradle/libs.versions.toml b/DataLayer/gradle/libs.versions.toml
index d31487dc8..a935d106d 100644
--- a/DataLayer/gradle/libs.versions.toml
+++ b/DataLayer/gradle/libs.versions.toml
@@ -8,7 +8,7 @@ androidx-wear-compose = "1.4.0"
 compose-compiler = "1.5.15"
 ktlint = "0.50.0"
 org-jetbrains-kotlin = "1.9.25"
-org-jetbrains-kotlinx = "1.8.1"
+org-jetbrains-kotlinx = "1.9.0"
 horologist = "0.5.28"
 compose-ui-tooling = "1.4.0"
 robolectric = "4.13"
diff --git a/WatchFaceKotlin/gradle/libs.versions.toml b/WatchFaceKotlin/gradle/libs.versions.toml
index d24aef294..9f16fa91e 100644
--- a/WatchFaceKotlin/gradle/libs.versions.toml
+++ b/WatchFaceKotlin/gradle/libs.versions.toml
@@ -9,7 +9,7 @@ androidx-wear-watchface = "1.2.1"
 compose = "1.5.0-beta01"
 ktlint = "0.50.0"
 org-jetbrains-kotlin = "1.9.25"
-org-jetbrains-kotlinx = "1.8.1"
+org-jetbrains-kotlinx = "1.9.0"
 
 [libraries]
 android-lint-gradle = "com.android.tools.lint:lint-gradle:31.6.0"
diff --git a/WearOAuth/gradle/libs.versions.toml b/WearOAuth/gradle/libs.versions.toml
index 8912028cf..2b1285caa 100644
--- a/WearOAuth/gradle/libs.versions.toml
+++ b/WearOAuth/gradle/libs.versions.toml
@@ -8,7 +8,7 @@ androidx-wear-compose = "1.4.0"
 compose = "1.7.1"
 compose-compiler = "1.5.15"
 org-jetbrains-kotlin = "1.9.25"
-org-jetbrains-kotlinx = "1.8.1"
+org-jetbrains-kotlinx = "1.9.0"
 ktlint = "0.50.0"
 horologist = "0.6.12"
 robolectric = "4.13"
diff --git a/WearSpeakerSample/gradle/libs.versions.toml b/WearSpeakerSample/gradle/libs.versions.toml
index a2eb4774f..b3963a063 100644
--- a/WearSpeakerSample/gradle/libs.versions.toml
+++ b/WearSpeakerSample/gradle/libs.versions.toml
@@ -15,7 +15,7 @@ ui-test-junit4 = "1.7.1"
 ui-test-manifest = "1.7.1"
 horologist = "0.5.28"
 androidx-constraintlayout-compose = "1.0.1"
-kotlinxCoroutine = "1.8.1"
+kotlinxCoroutine = "1.9.0"
 
 [libraries]
 androidx-activity-compose = { module = "androidx.activity:activity-compose", version.ref = "androidx-activity" }
diff --git a/WearTilesKotlin/gradle/libs.versions.toml b/WearTilesKotlin/gradle/libs.versions.toml
index 6111d50ff..e1186d9f8 100644
--- a/WearTilesKotlin/gradle/libs.versions.toml
+++ b/WearTilesKotlin/gradle/libs.versions.toml
@@ -7,7 +7,7 @@ compose-compiler = "1.5.15"
 horologist = "0.6.9"
 ktlint = "0.50.0"
 org-jetbrains-kotlin = "1.9.25"
-org-jetbrains-kotlinx = "1.8.1"
+org-jetbrains-kotlinx = "1.9.0"
 tiles-tooling-preview = "1.4.0"
 
 [libraries]