diff --git a/executables.ptx b/executables.ptx
new file mode 100644
index 00000000..545303bf
--- /dev/null
+++ b/executables.ptx
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<executables
+      latex="latex"
+      pdflatex="pdflatex"
+      xelatex="xelatex"
+      asy="asy"
+      sage="sage"
+      pdfeps="pdftops"
+      node="node"
+      liblouis="file2brl" />
\ No newline at end of file
diff --git a/project-old.ptx b/project-old.ptx
new file mode 100644
index 00000000..f1b76bdc
--- /dev/null
+++ b/project-old.ptx
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    This file provides the overall configuration for your PreTeXt
+    project. To edit the content of your document, open `source/main.ptx`
+    (default location).
+-->
+<project>
+  <targets>
+    <target name="runestone">
+      <format>html</format>
+      <source>source/main.ptx</source>
+      <publication>publication/runestone.ptx</publication>
+      <output-dir>published/opensource</output-dir>
+    </target>
+    <target name="web">
+      <format>html</format>
+      <source>source/main.ptx</source>
+      <publication>publication/dev.ptx</publication>
+      <output-dir>output/web</output-dir>
+    </target>
+    <target name="print" pdf-method="xelatex">
+      <format>pdf</format>
+      <source>source/main.ptx</source>
+      <publication>publication/dev.ptx</publication>
+      <output-dir>output/print</output-dir>
+    </target>
+    <target name="print-latex">
+      <format>latex</format>
+      <source>source/main.ptx</source>
+      <publication>publication/dev.ptx</publication>
+      <output-dir>output/print-latex</output-dir>
+    </target>
+    <target name="subset">
+      <format>html</format>
+      <source>source/main.ptx</source>
+      <publication>publication/dev.ptx</publication>
+      <output-dir>output/subset</output-dir>
+      <stringparam key="debug.skip-knowls" value="yes"/>
+      <!-- edit this to change the section/chapter/etc. to include
+           in your subset build -->
+      <xmlid-root>ch_first</xmlid-root>
+    </target>
+  </targets>
+  <executables>
+      <latex>latex</latex>
+      <pdflatex>pdflatex</pdflatex>
+      <xelatex>xelatex</xelatex>
+      <pdfsvg>pdf2svg</pdfsvg>
+      <asy>asy</asy>
+      <sage>sage</sage>
+      <pdfpng>convert</pdfpng>
+      <pdfeps>pdftops</pdfeps>
+      <node>node</node>
+      <liblouis>file2brl</liblouis>
+    </executables>
+</project>
diff --git a/project.ptx b/project.ptx
index f1b76bdc..a64baef0 100644
--- a/project.ptx
+++ b/project.ptx
@@ -1,56 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!--
-    This file provides the overall configuration for your PreTeXt
-    project. To edit the content of your document, open `source/main.ptx`
-    (default location).
--->
-<project>
-  <targets>
-    <target name="runestone">
-      <format>html</format>
-      <source>source/main.ptx</source>
-      <publication>publication/runestone.ptx</publication>
-      <output-dir>published/opensource</output-dir>
-    </target>
-    <target name="web">
-      <format>html</format>
-      <source>source/main.ptx</source>
-      <publication>publication/dev.ptx</publication>
-      <output-dir>output/web</output-dir>
-    </target>
-    <target name="print" pdf-method="xelatex">
-      <format>pdf</format>
-      <source>source/main.ptx</source>
-      <publication>publication/dev.ptx</publication>
-      <output-dir>output/print</output-dir>
-    </target>
-    <target name="print-latex">
-      <format>latex</format>
-      <source>source/main.ptx</source>
-      <publication>publication/dev.ptx</publication>
-      <output-dir>output/print-latex</output-dir>
-    </target>
-    <target name="subset">
-      <format>html</format>
-      <source>source/main.ptx</source>
-      <publication>publication/dev.ptx</publication>
-      <output-dir>output/subset</output-dir>
-      <stringparam key="debug.skip-knowls" value="yes"/>
-      <!-- edit this to change the section/chapter/etc. to include
-           in your subset build -->
-      <xmlid-root>ch_first</xmlid-root>
-    </target>
-  </targets>
-  <executables>
-      <latex>latex</latex>
-      <pdflatex>pdflatex</pdflatex>
-      <xelatex>xelatex</xelatex>
-      <pdfsvg>pdf2svg</pdfsvg>
-      <asy>asy</asy>
-      <sage>sage</sage>
-      <pdfpng>convert</pdfpng>
-      <pdfeps>pdftops</pdfeps>
-      <node>node</node>
-      <liblouis>file2brl</liblouis>
-    </executables>
-</project>
+<project ptx-version="2">
+<targets>
+    <target name="web" format="html" />
+    <target name="rs" format="html" platform="runestone" />
+    <target name="print" format="pdf" />
+</targets>
+</project>
\ No newline at end of file