Update Soy to 2018-01-03

Change-Id: I0771b48ecde8fc1cc5b051b60ed9ebf50f006d1b
diff --git a/WORKSPACE b/WORKSPACE
index 2244426..3f5f25b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -104,8 +104,8 @@
 
 maven_jar(
     name = "soy",
-    artifact = "com.google.template:soy:2017-08-08",
-    sha1 = "792aa49e3ec3f61e793e56b499f0724df1c1e16c",
+    artifact = "com.google.template:soy:2018-01-03",
+    sha1 = "62089a55675f338bdfb41fba1b29fe610f654b4d",
 )
 
 maven_jar(