diff --git a/reflection.json b/reflection.json
index c21f45f5..23a62826 100644
--- a/reflection.json
+++ b/reflection.json
@@ -8,6 +8,11 @@
   "allPublicMethods" : true,
   "allPublicFields" : true,
   "allPublicConstructors" : true
+}, {
+  "name" : "clojure.lang.IEditableCollection",
+  "allPublicMethods" : true,
+  "allPublicFields" : true,
+  "allPublicConstructors" : true
 }, {
   "name" : "clojure.lang.IObj",
   "allPublicMethods" : true,
@@ -18,6 +23,16 @@
   "allPublicMethods" : true,
   "allPublicFields" : true,
   "allPublicConstructors" : true
+}, {
+  "name" : "clojure.lang.MapEntry",
+  "allPublicMethods" : true,
+  "allPublicFields" : true,
+  "allPublicConstructors" : true
+}, {
+  "name" : "clojure.lang.PersistentQueue",
+  "allPublicMethods" : true,
+  "allPublicFields" : true,
+  "allPublicConstructors" : true
 }, {
   "name" : "java.io.BufferedReader",
   "allPublicMethods" : true,
@@ -133,6 +148,11 @@
   "allPublicMethods" : true,
   "allPublicFields" : true,
   "allPublicConstructors" : true
+}, {
+  "name" : "java.lang.Throwable",
+  "allPublicMethods" : true,
+  "allPublicFields" : true,
+  "allPublicConstructors" : true
 }, {
   "name" : "java.lang.UNIXProcess",
   "allPublicMethods" : true,
diff --git a/sci b/sci
index ee6ad73e..3e4db8e6 160000
--- a/sci
+++ b/sci
@@ -1 +1 @@
-Subproject commit ee6ad73e9adbcd7db468e3c6fb357d6ced76e8c8
+Subproject commit 3e4db8e6e59dd1c14fbe1ee840932ebdfdfaeeb9
diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 636d24b2..2b9726cc 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -7,7 +7,10 @@
   {:default-classes '[clojure.lang.Delay
                       clojure.lang.ExceptionInfo
                       clojure.lang.IObj
+                      clojure.lang.IEditableCollection
                       clojure.lang.LineNumberingPushbackReader
+                      clojure.lang.MapEntry
+                      clojure.lang.PersistentQueue
                       java.io.BufferedReader
                       java.io.BufferedWriter
                       java.io.ByteArrayInputStream
@@ -29,6 +32,7 @@
                       java.util.concurrent.LinkedBlockingQueue
                       java.lang.String
                       java.lang.System
+                      java.lang.Throwable
                       java.lang.Process
                       java.lang.UNIXProcess
                       java.lang.UNIXProcess$ProcessPipeOutputStream
diff --git a/src/babashka/impl/clojure/core.clj b/src/babashka/impl/clojure/core.clj
index a48bf53b..f3484565 100644
--- a/src/babashka/impl/clojure/core.clj
+++ b/src/babashka/impl/clojure/core.clj
@@ -13,4 +13,5 @@
    'shutdown-agents shutdown-agents
    'slurp slurp
    'spit spit
-   'Throwable->map Throwable->map})
+   'Throwable->map Throwable->map
+   'compare-and-set! compare-and-set!})