diff --git a/src/gauss_seidel.h b/src/gauss_seidel.h
new file mode 100644
index 0000000..1305c00
--- /dev/null
+++ b/src/gauss_seidel.h
@@ -0,0 +1,8 @@
+#ifndef GAUSS_SEIDEL_H
+#define GAUSS_SEIDEL_H
+
+#include "sparse_matrix.h"
+
+double* gauss_seidel_pagerank(const SparseMatrix *matrix, double epsilon, double alpha);
+
+#endif