diff --git a/build.gradle.kts b/build.gradle.kts
index c3b352f0..2db3e5f4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -117,6 +117,7 @@ allprojects {
 						"InlineMeSuggester",	// suggests using Error Prone annotations for deprecated methods
 						"TypeParameterUnusedInFormals",
 						"UnsynchronizedOverridesSynchronized",
+						"NonApiType",			// reports ArrayList/HashSet in parameter or return type
 					)
 					when( project.name ) {
 						"flatlaf-intellij-themes" -> disable(
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5539769d..99eec0a7 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -55,7 +55,7 @@ junit-params = { module = "org.junit.jupiter:junit-jupiter-params", version.ref
 junit-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junit" }
 
 # errorprone
-errorprone = "com.google.errorprone:error_prone_core:2.19.1"
+errorprone = "com.google.errorprone:error_prone_core:2.20.0"
 
 
 [bundles]