diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index cbb8be5..0701eaa 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-alchemist = "34.1.8"
+alchemist = "34.1.9"
 
 [libraries]
 alchemist = { module = "it.unibo.alchemist:alchemist", version.ref = "alchemist" }