diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 54a1e39..2c43e58 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-alchemist = "43.0.19"
+alchemist = "43.0.20"
 
 [libraries]
 alchemist = { module = "it.unibo.alchemist:alchemist", version.ref = "alchemist" }