diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index eeaeef28..ea4b59ca 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,7 @@ junit = "5.11.4"
 
 [libraries]
 javalin = { module= "io.javalin:javalin-bundle", version = "6.7.0" }
-jena = { module = "org.apache.jena:apache-jena-libs", version = "4.10.0" }
+jena = { module = "org.apache.jena:apache-jena-libs", version = "5.6.0" }
 junit-api = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "junit" }
 junit-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junit" }
 wldt = { module = "io.github.wldt:wldt-core", version = "0.3.0" }