diff --git a/libraries/xulrunner/xulrunner.SlackBuild b/libraries/xulrunner/xulrunner.SlackBuild
index 65db56c162..36bbdd229e 100644
--- a/libraries/xulrunner/xulrunner.SlackBuild
+++ b/libraries/xulrunner/xulrunner.SlackBuild
@@ -28,7 +28,7 @@
 
 
 PRGNAM=xulrunner
-VERSION=${VERSION:-1.9.2.18}
+VERSION=${VERSION:-15.0.1}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -64,9 +64,9 @@ set -e
 rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
-rm -rf mozilla-1.9.2
+rm -rf mozilla-release
 tar xvf $CWD/$PRGNAM-$VERSION.source.tar.bz2
-cd mozilla-1.9.2
+cd mozilla-release
 chown -R root:root .
 find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
@@ -74,6 +74,8 @@ find . \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;
 
+# Don't use --enable-system-cairo
+# https://bugzilla.mozilla.org/show_bug.cgi?id=722975
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \
@@ -90,11 +92,13 @@ CXXFLAGS="$SLKCFLAGS" \
   --enable-safe-browsing \
   --enable-image-encoders=all \
   --enable-image-decoders=all \
-  --enable-system-cairo \
   --enable-system-lcms \
   --with-system-zlib \
   --with-system-jpeg \
   --with-system-bz2 \
+  --with-system-nss \
+  --with-system-nspr \
+  --enable-system-ffi \
   --disable-system-sqlite \
   --disable-crashreporter \
   --disable-debug \
diff --git a/libraries/xulrunner/xulrunner.info b/libraries/xulrunner/xulrunner.info
index f3645c8521..f254477275 100644
--- a/libraries/xulrunner/xulrunner.info
+++ b/libraries/xulrunner/xulrunner.info
@@ -1,8 +1,8 @@
 PRGNAM="xulrunner"
-VERSION="1.9.2.18"
+VERSION="15.0.1"
 HOMEPAGE="https://developer.mozilla.org/en/Getting_started_with_XULRunner"
-DOWNLOAD="http://ftp.mozilla.org/pub/mozilla.org/mozilla.org/xulrunner/releases/1.9.2.18/source/xulrunner-1.9.2.18.source.tar.bz2"
-MD5SUM="6717253201ac29402d6d69cecb0806eb"
+DOWNLOAD="https://ftp.mozilla.org/pub/mozilla.org/mozilla.org/xulrunner/releases/15.0.1/source/xulrunner-15.0.1.source.tar.bz2"
+MD5SUM="e06cf648577c16d99f230b3569413e24"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="jdk"