diff --git a/dependencies.properties b/dependencies.properties
index d2597602..45e729d5 100644
--- a/dependencies.properties
+++ b/dependencies.properties
@@ -1 +1 @@
-core.version=3.1.8
\ No newline at end of file
+core.version=1.7.0
diff --git a/libcore b/libcore
index f993a577..8b6f4d6f 160000
--- a/libcore
+++ b/libcore
@@ -1 +1 @@
-Subproject commit f993a57755c37e08b02042037cbbf508c66c51f9
+Subproject commit 8b6f4d6f200aadda9454c55bfe25a58b2bba5690