diff --git a/bdk-android/build.gradle.kts b/bdk-android/build.gradle.kts
index 32e52b4..f2b1b52 100644
--- a/bdk-android/build.gradle.kts
+++ b/bdk-android/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     id("com.android.library").version("8.3.1").apply(false)
-    id("org.jetbrains.kotlin.android").version("1.6.10").apply(false)
+    id("org.jetbrains.kotlin.android").version("1.9.23").apply(false)
     id("org.gradle.maven-publish")
     id("org.gradle.signing")
     id("org.bitcoindevkit.plugins.generate-android-bindings").apply(false)
diff --git a/bdk-jvm/build.gradle.kts b/bdk-jvm/build.gradle.kts
index 38e976d..32cfd4f 100644
--- a/bdk-jvm/build.gradle.kts
+++ b/bdk-jvm/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    id("org.jetbrains.kotlin.jvm").version("1.6.10").apply(false)
+    id("org.jetbrains.kotlin.jvm").version("1.9.23").apply(false)
     id("org.gradle.java-library")
     id("org.gradle.maven-publish")
     id("org.gradle.signing")