diff --git a/deps.edn b/deps.edn
index c5f49ee0..7e654a2b 100644
--- a/deps.edn
+++ b/deps.edn
@@ -18,7 +18,7 @@
          "deps.clj/src" "deps.clj/resources"
          "resources" "sci/resources"
          "impl-java/src"],
- :deps {org.clojure/clojure {:mvn/version "1.11.1"},
+ :deps {org.clojure/clojure {:mvn/version "1.12.0-master-SNAPSHOT"},
         org.babashka/sci {:local/root "sci"}
         org.babashka/babashka.impl.java {:mvn/version "0.1.8"}
         org.babashka/sci.impl.types {:mvn/version "0.0.2"}
diff --git a/project.clj b/project.clj
index 637dc74c..412d232f 100644
--- a/project.clj
+++ b/project.clj
@@ -21,7 +21,7 @@
                    :non-flaky (complement :flaky)
                    :flaky :flaky}
   :jvm-opts ["--enable-preview"]
-  :dependencies [[org.clojure/clojure "1.11.1"]
+  :dependencies [[org.clojure/clojure "1.12.0-master-SNAPSHOT"]
                  [borkdude/edamame "1.3.22"]
                  [borkdude/graal.locking "0.0.2"]
                  [org.clojure/tools.cli "1.0.214"]
diff --git a/resources/META-INF/babashka/deps.edn b/resources/META-INF/babashka/deps.edn
index c5f49ee0..7e654a2b 100644
--- a/resources/META-INF/babashka/deps.edn
+++ b/resources/META-INF/babashka/deps.edn
@@ -18,7 +18,7 @@
          "deps.clj/src" "deps.clj/resources"
          "resources" "sci/resources"
          "impl-java/src"],
- :deps {org.clojure/clojure {:mvn/version "1.11.1"},
+ :deps {org.clojure/clojure {:mvn/version "1.12.0-master-SNAPSHOT"},
         org.babashka/sci {:local/root "sci"}
         org.babashka/babashka.impl.java {:mvn/version "0.1.8"}
         org.babashka/sci.impl.types {:mvn/version "0.0.2"}
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 44c37f44..f54631c6 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -1191,6 +1191,7 @@ Use bb run --help to show this help output.
   [& args]
   (handle-pipe!)
   (handle-sigint!)
+  (prn (.removeIf (java.util.ArrayList. [1 2 3]) even?))
   (if-let [dev-opts (System/getenv "BABASHKA_DEV")]
     (let [{:keys [:n]} (if (= "true" dev-opts) {:n 1}
                            (edn/read-string dev-opts))