diff --git a/hashes/gcc-7.3.0.tar.xz.sha1 b/hashes/gcc-7.3.0.tar.xz.sha1
new file mode 100644
index 0000000..38a3785
--- /dev/null
+++ b/hashes/gcc-7.3.0.tar.xz.sha1
@@ -0,0 +1 @@
+9689b9cae7b2886fdaa08449a26701f095c04e48  gcc-7.3.0.tar.xz