diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 43308368..a2e9b66a 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -26,6 +26,7 @@
           java.lang.Byte
           java.lang.Comparable
           java.lang.Class
+          java.lang.ClassNotFoundException
           java.lang.Double
           java.lang.Exception
           java.lang.Integer
@@ -43,6 +44,7 @@
           java.lang.Process
           java.lang.ProcessBuilder
           java.lang.ProcessBuilder$Redirect
+          java.math.BigDecimal
           java.math.BigInteger
           java.net.DatagramSocket
           java.net.DatagramPacket
diff --git a/src/babashka/main.clj b/src/babashka/main.clj
index 7c1f8ed6..8fe17245 100644
--- a/src/babashka/main.clj
+++ b/src/babashka/main.clj
@@ -369,9 +369,11 @@ Everything after that is bound to *command-line-args*."))
                  :classes classes/class-map
                  :imports '{ArithmeticException java.lang.ArithmeticException
                             AssertionError java.lang.AssertionError
+                            BigDecimal java.math.BigDecimal
                             Boolean java.lang.Boolean
                             Byte java.lang.Byte
                             Class java.lang.Class
+                            ClassNotFoundException java.lang.ClassNotFoundException
                             Double java.lang.Double
                             Exception java.lang.Exception
                             IllegalArgumentException java.lang.IllegalArgumentException