diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 892c7623..684a2081 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -404,6 +404,8 @@
           java.util.zip.ZipEntry
           java.util.zip.ZipException
           java.util.zip.ZipFile
+          sun.misc.Signal
+          sun.misc.SignalHandler
           ~(symbol "[B")
           ~(symbol "[I")
           ~(symbol "[Ljava.lang.Object;")
diff --git a/src/babashka/impl/proxy.clj b/src/babashka/impl/proxy.clj
index b4341d06..079e47fb 100644
--- a/src/babashka/impl/proxy.clj
+++ b/src/babashka/impl/proxy.clj
@@ -72,7 +72,12 @@
 
       ["javax.net.ssl.HostnameVerifier" #{}]
       (proxy [javax.net.ssl.HostnameVerifier] []
-        (verify [host-name session] ((method-or-bust methods 'verify) this host-name session))))))
+        (verify [host-name session] ((method-or-bust methods 'verify) this host-name session)))
+
+      ["sun.misc.SignalHandler" #{}]
+      (proxy [sun.misc.SignalHandler] []
+        (handle [sig]
+          ((method-or-bust methods 'handle) this sig))))))
 
 (defn class-sym [c] (symbol (class-name c)))
 
diff --git a/src/babashka/impl/reify.clj b/src/babashka/impl/reify.clj
index f9f5895a..fa3fff55 100644
--- a/src/babashka/impl/reify.clj
+++ b/src/babashka/impl/reify.clj
@@ -183,4 +183,7 @@
      resolveAlias [[this sym]]
      resolveVar [[this sym]]}
 
+    sun.misc.SignalHandler
+    {handle [[this signal]]}
+
     }))