diff --git a/protocol/Makefile b/protocol/Makefile
index 03be018d..ba864673 100644
--- a/protocol/Makefile
+++ b/protocol/Makefile
@@ -37,7 +37,7 @@ auxsapling:
 sapling:
 	$(MAKE) auxsapling
 	mv -f aux/sapling.pdf .
-	ln -sf sapling.pdf protocol.pdf
+	cp -f sapling.pdf protocol.pdf
 
 .PHONY: pvcsapling
 pvcsapling:
@@ -107,7 +107,7 @@ optsapling: optimizer-installed.flag
 	$(MAKE) auxsapling
 	PATH="${PATH}:$(CURDIR)/sam2p:$(CURDIR)/tif22pnm" pdfsizeopt/pdfsizeopt --v=40 --use-image-optimizer=sam2p \
               --tmp-dir=aux aux/sapling.pdf sapling.pdf
-	ln -sf sapling.pdf protocol.pdf
+	cp -f sapling.pdf protocol.pdf
 
 .PHONY: optimized
 optimized: optsprout optsapling
diff --git a/protocol/protocol.pdf b/protocol/protocol.pdf
index 26636366..a4550cde 100644
Binary files a/protocol/protocol.pdf and b/protocol/protocol.pdf differ
diff --git a/protocol/protocol.ver b/protocol/protocol.ver
index 7b2c9d04..d02d614a 100644
--- a/protocol/protocol.ver
+++ b/protocol/protocol.ver
@@ -1,2 +1,2 @@
 \toggletrue{issapling}
-\renewcommand{\docversion}{Version 2018.0-beta-23 [\SaplingSpec]}
\ No newline at end of file
+\renewcommand{\docversion}{Version 2018.0-beta-25 [\SaplingSpec]}
\ No newline at end of file
diff --git a/protocol/sapling.pdf b/protocol/sapling.pdf
index 07ef1463..a4550cde 100644
Binary files a/protocol/sapling.pdf and b/protocol/sapling.pdf differ
diff --git a/protocol/sprout.pdf b/protocol/sprout.pdf
new file mode 100644
index 00000000..dfaf6975
Binary files /dev/null and b/protocol/sprout.pdf differ