diff --git a/gradle.properties b/gradle.properties
index 17e460129b3..07aaeb603e5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,6 +2,9 @@ kotlin.code.style=official
 kotlin.mpp.stability.nowarn=true
 kotlin.native.ignoreDisabledTargets=true
 
+# Enable API validation for all source sets: https://github.com/Kotlin/binary-compatibility-validator/issues/234
+apiValidation.klib.strictValidation = true
+
 # gradle
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G