diff --git a/lib/soprano b/lib/soprano
index 114a3147..a3acf16b 160000
--- a/lib/soprano
+++ b/lib/soprano
@@ -1 +1 @@
-Subproject commit 114a3147df2d5c8372fd4c2f39d5262e3b3d5ee6
+Subproject commit a3acf16b97787d05e26fe3794f5b4f8cf72f8ea5