diff --git a/.gitignore b/.gitignore
index 31fc852..d6dec33 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 sos-2.2.tar.gz
 /sos-3.0.tar.gz
 /sos-3.1.tar.gz
+/sos-55c89eb6810e7060845082845653b059aab90e3d.tar.gz
diff --git a/sources b/sources
index 080d2c4..2478134 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-4c05e494f80e8e2d7c272098462e5fb8  sos-3.1.tar.gz
+e0bc862529e178815c6fbaaa16c0b691  sos-55c89eb6810e7060845082845653b059aab90e3d.tar.gz