diff --git a/resources/META-INF/babashka/deps.edn b/resources/META-INF/babashka/deps.edn
index 3dd253d6..12c22cb2 100644
--- a/resources/META-INF/babashka/deps.edn
+++ b/resources/META-INF/babashka/deps.edn
@@ -141,7 +141,13 @@
                          org.clojure/math.numeric-tower {:git/tag "math.numeric-tower-0.0.5", :git/sha "12eb9c5", :git/url "https://github.com/clojure/math.numeric-tower"}
                          prismatic/schema {:git/url "https://github.com/plumatic/schema"
                                            :git/sha "6846dc7c3a9df5bfd718f68f183c683ce0f621ff"
-                                           :git/tag "schema-1.3.0"}}
+                                           :git/tag "schema-1.3.0"}
+                         metosin/malli {:git/url "https://github.com/metosin/malli"
+                                        :git/sha "588147ef49b2e41c7d12a8aa994b39c1c6fedd99"
+                                        :git/tag "0.8.9"}
+                         meander/epsilon {:git/url "https://github.com/noprompt/meander"
+                                          :git/sha "55f5ce70e6ef717e95c58260f6bc725d70c0cb6d"}
+                         }
             :classpath-overrides {org.clojure/clojure nil
                                   org.clojure/spec.alpha nil}}
            :clj-nvd
diff --git a/sci b/sci
index 1d2b26d4..c16deb95 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit 1d2b26d4f6e014615d4cfe1d20ab4bfcf90d86b8
+Subproject commit c16deb95df7764d706f5815b3e7f1323e289c94a
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 0aacc00b..6f20a62c 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -346,6 +346,8 @@ Use bb run --help to show this help output.
 (defn catvec [& xs]
   (into [] cat xs))
 
+(def sci-ns (sci/create-ns 'sci.core))
+
 (def namespaces
   (cond->
       {'user {'*input* (reify
@@ -399,7 +401,15 @@ Use bb run --help to show this help output.
                                   @(resolve 'babashka.impl.rrb-vector/rrb-vector-namespace)
                                   {'catvec (sci/copy-var catvec
                                                          (sci/create-ns 'clojure.core.rrb-vector))})
-       'edamame.core edamame-namespace}
+       'edamame.core edamame-namespace
+       'sci.core {'format-stacktrace (sci/copy-var sci/format-stacktrace sci-ns)
+                  'stacktrace (sci/copy-var sci/stacktrace sci-ns)
+                  ;; 'eval-string (sci/copy-var sci/eval-string sci-ns)
+                  ;; 'eval-string* (sci/copy-var sci/eval-string* sci-ns)
+                  ;; 'init (sci/copy-var sci/init sci-ns)
+                  ;; 'fork (sci/copy-var sci/fork sci-ns)
+                  }
+       }
     features/xml?  (assoc 'clojure.data.xml @(resolve 'babashka.impl.xml/xml-namespace)
                           'clojure.data.xml.event @(resolve 'babashka.impl.xml/xml-event-namespace)
                           'clojure.data.xml.tree @(resolve 'babashka.impl.xml/xml-tree-namespace))