diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0fc42b5..30e1b91 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-graalvm-buildtools = "1.1.8"
+graalvm-buildtools = "1.1.9"
 jspecify = "1.0.1"
 junit = "6.1.3"
 jextract = "1.4.0"