diff --git a/Gemfile.lock b/Gemfile.lock
index 77acbfb..d2ca350 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,8 @@ GEM
     ffi (1.9.10)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
-    haml (4.0.7)
+    haml (5.1.2)
+      temple (>= 0.8.0)
       tilt
     htmlentities (4.3.4)
     http-cookie (1.0.2)
@@ -162,8 +163,8 @@ GEM
     rdf-raptor (1.99.0)
       ffi (>= 1.9.3)
       rdf (>= 1.99)
-    rdf-rdfa (1.99.0)
-      haml (~> 4.0)
+    rdf-rdfa (1.99.3)
+      haml (>= 4.0, < 6.0)
       htmlentities (~> 4.3)
       rdf (~> 1.99)
       rdf-aggregate-repo (~> 1.1)
@@ -196,8 +197,8 @@ GEM
       rdf (~> 1.99)
     rdf-vocab (0.8.6)
       rdf (~> 1.1, >= 1.1.10)
-    rdf-xsd (1.1.5)
-      rdf (~> 1.1, >= 1.1.9)
+    rdf-xsd (1.99.0)
+      rdf (~> 1.99)
     rest-client (1.8.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 3.0)
@@ -233,9 +234,10 @@ GEM
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
     sxp (0.1.5)
+    temple (0.8.2)
     thor (0.19.1)
     thread_safe (0.3.5)
-    tilt (2.0.1)
+    tilt (2.0.10)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     unf (0.1.4)