diff --git a/Gemfile.lock b/Gemfile.lock
index 711f337ed9e2eaf02dd1591e8eafa3b9e0cbc828..064aba4b3f52cc4f2b389ba816faad04a341e9b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     rb-readline (0.5.5)
     rbnacl (3.4.0)
       ffi
-    rbnacl-libsodium (1.0.16)
+    rbnacl-libsodium (1.0.15.1)
       rbnacl (>= 3.0.1)
     regexp_parser (1.6.0)
     rest-client (1.8.0)