diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b3d3c12305..d5d6dbee31 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -39,7 +39,7 @@ tuprolog-ide = "it.unibo.tuprolog:ide:0.31.11"
 tuprolog-dsl-solve = "it.unibo.tuprolog:dsl-solve:0.31.11"
 tuprolog-solve-classic = "it.unibo.tuprolog:solve-classic:0.31.11"
 tuprolog-parser-theory = "it.unibo.tuprolog:parser-theory:0.31.11"
-tuprolog-test-solve = "it.unibo.tuprolog:test-solve:0.31.11"
+tuprolog-test-solve = "it.unibo.tuprolog:test-solve:0.31.18"
 akka-bom = "com.typesafe.akka:akka-bom_2.13:2.8.3"
 akka-actor-typed = "com.typesafe.akka:akka-actor-typed_2.13:2.8.3"
 akka-cluster-sharding-typed = "com.typesafe.akka:akka-cluster-sharding-typed_2.13:2.8.3"