diff --git a/bootstrap.sh b/bootstrap.sh
index 9aa8e5b..d7e6800 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -2,5 +2,5 @@
 
 rm -rf .buildutils
 mkdir -p .buildutils/m4
-./update_eigen.sh eigen-3.3.4.tar.bz2
+./update_eigen.sh eigen-3.3.7.tar.bz2
 autoreconf -fvi
diff --git a/eigen-3.3.4.tar.bz2 b/eigen-3.3.4.tar.bz2
deleted file mode 100644
index 3e7deb7..0000000
Binary files a/eigen-3.3.4.tar.bz2 and /dev/null differ
diff --git a/eigen-3.3.7.tar.bz2 b/eigen-3.3.7.tar.bz2
new file mode 100644
index 0000000..20210d2
Binary files /dev/null and b/eigen-3.3.7.tar.bz2 differ