diff --git a/swing/src/net/sf/openrocket/gui/dialogs/AboutDialog.java b/swing/src/net/sf/openrocket/gui/dialogs/AboutDialog.java
index b81869135..2c5f99927 100644
--- a/swing/src/net/sf/openrocket/gui/dialogs/AboutDialog.java
+++ b/swing/src/net/sf/openrocket/gui/dialogs/AboutDialog.java
@@ -70,6 +70,8 @@ public class AboutDialog extends JDialog {
 		"Opencsv " + href("http://opencsv.sourceforge.net", true) + "<br>" +
 		"Simple Logging Facade for Java " + href("http://www.slf4j.org", true) + "<br>" +
 		"Java library for parsing and rendering CommonMark " + href("https://github.com/commonmark/commonmark-java", true) + "<br>" +
+		"RSyntaxTextArea " + href("http://bobbylight.github.io/RSyntaxTextArea", true) + "<br>" +
+		"yasson " + href("https://eclipse-ee4j.github.io/yasson", true) + "<br>" +
 		"<br>" +
 		"<b>OpenRocket gratefully acknowledges our use of the following databases:</b><br>" +
 		"<br>" +