diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 477e8243..2e8cfebd 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -731,6 +731,9 @@ Use bb run --help to show this help output.
                             clojure.spec.alpha
                             (binding [*out* *err*]
                               (println "[babashka] WARNING: Use the babashka-compatible version of clojure.spec.alpha, available here: https://github.com/babashka/spec.alpha"))
+                            clojure.core.specs.alpha
+                            (binding [*out* *err*]
+                              (println "[babashka] WARNING: clojure.core.specs.alpha isremoved from the classpath, unless you explicitly add the dependency."))
                             nil)))
             main (if (and jar (not main))
                    (when-let [res (cp/getResource