diff --git a/src/Makefile b/src/Makefile
index b175ae6e..a87308df 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -74,8 +74,8 @@ MAN_PREFIX = $(PREFIX)/share/man
 .PHONY: clean pymod install-pymod
 all: testpactester
 
-spidermonkey/js/src: spidermonkey/js-?.?.?.tar.gz
-	tar xzvf spidermonkey/js-?.?.?.tar.gz -C spidermonkey
+spidermonkey/js/src: spidermonkey/js.tar.gz
+	tar xzvf $< -C spidermonkey
 	sed -i -e 's:\(shell uname -s | sed /\\ /s//_/\):\1 | sed s,GNU.*,Linux,:g' spidermonkey/js/src/config.mk
 
 jsapi_buildstamp: spidermonkey/js/src
diff --git a/src/spidermonkey/js-1.7.0.tar.gz b/src/spidermonkey/js-1.7.0.tar.gz
deleted file mode 100644
index 92884aa0..00000000
Binary files a/src/spidermonkey/js-1.7.0.tar.gz and /dev/null differ
diff --git a/src/spidermonkey/js-1.8.0-rc1.tar.gz b/src/spidermonkey/js-1.8.0-rc1.tar.gz
new file mode 100644
index 00000000..f6187d19
Binary files /dev/null and b/src/spidermonkey/js-1.8.0-rc1.tar.gz differ
diff --git a/src/spidermonkey/js.tar.gz b/src/spidermonkey/js.tar.gz
index df5255ef..afbe7df2 120000
--- a/src/spidermonkey/js.tar.gz
+++ b/src/spidermonkey/js.tar.gz
@@ -1 +1 @@
-js-1.7.0.tar.gz
\ No newline at end of file
+js-1.8.0-rc1.tar.gz
\ No newline at end of file