diff --git a/Gemfile.lock b/Gemfile.lock
index 03c0f297b..accf9ebe7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -327,13 +327,13 @@ GEM
       activesupport (>= 4.2)
       aes_key_wrap
       bindata
-    json-ld (3.2.2)
+    json-ld (3.2.3)
       htmlentities (~> 4.3)
       json-canonicalization (~> 0.3)
       link_header (~> 0.0, >= 0.0.8)
       multi_json (~> 1.15)
       rack (~> 2.2)
-      rdf (~> 3.2)
+      rdf (~> 3.2, >= 3.2.9)
     json-ld-preloaded (3.2.0)
       json-ld (~> 3.2)
       rdf (~> 3.2)
@@ -527,7 +527,7 @@ GEM
       thor (~> 1.0)
     rainbow (3.1.1)
     rake (13.0.6)
-    rdf (3.2.8)
+    rdf (3.2.9)
       link_header (~> 0.0, >= 0.0.8)
     rdf-normalize (0.5.0)
       rdf (~> 3.2)