diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 31fdad4..167876e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,7 +7,7 @@ jspecify = "1.0.0"
 junit = "6.0.3"
 nmcp = "1.4.4"
 nullaway = "0.13.1"
-problem4j-core = "1.4.1"
+problem4j-core = "1.4.2"
 spotless = "8.2.1"
 
 [plugins]