diff --git a/team/bundles/org.eclipse.jsch.ui/src/org/eclipse/jsch/internal/ui/preference/PreferencePage.java b/team/bundles/org.eclipse.jsch.ui/src/org/eclipse/jsch/internal/ui/preference/PreferencePage.java
index 61096cce5f6..4d2524baa95 100644
--- a/team/bundles/org.eclipse.jsch.ui/src/org/eclipse/jsch/internal/ui/preference/PreferencePage.java
+++ b/team/bundles/org.eclipse.jsch.ui/src/org/eclipse/jsch/internal/ui/preference/PreferencePage.java
@@ -498,9 +498,9 @@ else if(e.widget==keyGenerateRSA){
 					BusyIndicator.showWhile(getShell().getDisplay(), () -> {
 						try {
 							if (__type == KeyPair.RSA) {
-								_kpair[0] = KeyPair.genKeyPair(getJSch(), __type, 2048);
+								_kpair[0] = KeyPair.genKeyPair(getJSch(), __type, 4096);
 							} else {
-								_kpair[0] = KeyPair.genKeyPair(getJSch(), __type);
+								_kpair[0] = KeyPair.genKeyPair(getJSch(), __type, 3072);
 							}
 						} catch (JSchException e1) {
 							_e[0] = e1;
@@ -513,9 +513,9 @@ else if(e.widget==keyGenerateRSA){
 
 					ByteArrayOutputStream out=new ByteArrayOutputStream();
 					if (__type == KeyPair.RSA) {
-						kpairComment = _type + "-2048"; //$NON-NLS-1$
+						kpairComment = _type + "-4096"; //$NON-NLS-1$
 					} else {
-						kpairComment = _type + "-1024"; //$NON-NLS-1$
+						kpairComment = _type + "-3072"; //$NON-NLS-1$
 					}
 					kpair.writePublicKey(out, kpairComment);
 					out.close();