diff --git a/modules/reitit-core/project.clj b/modules/reitit-core/project.clj
index e946fc04..4aed99a1 100644
--- a/modules/reitit-core/project.clj
+++ b/modules/reitit-core/project.clj
@@ -10,5 +10,5 @@
   :parent-project {:path "../../project.clj"
                    :inherit [:deploy-repositories :managed-dependencies]}
   :java-source-paths ["java-src"]
-  :javac-options ["-Xlint:unchecked" "-target" "1.8" "-source" "1.8"]
+  :javac-options ["-Xlint:unchecked" "-target" "11" "-source" "11"]
   :dependencies [[meta-merge]])