diff --git a/beacon_chain/spec/datatypes/base.nim b/beacon_chain/spec/datatypes/base.nim
index 54e71b248..be5497fa5 100644
--- a/beacon_chain/spec/datatypes/base.nim
+++ b/beacon_chain/spec/datatypes/base.nim
@@ -74,7 +74,7 @@ export
   tables, results, json_serialization, timer, sszTypes, beacon_time, crypto,
   digest, presets
 
-const SPEC_VERSION* = "1.3.0-rc.4"
+const SPEC_VERSION* = "1.3.0-rc.5"
 ## Spec version we're aiming to be compatible with, right now
 
 const
diff --git a/vendor/nim-eth2-scenarios b/vendor/nim-eth2-scenarios
index c490bc8a0..d1bcc6f15 160000
--- a/vendor/nim-eth2-scenarios
+++ b/vendor/nim-eth2-scenarios
@@ -1 +1 @@
-Subproject commit c490bc8a0e69dd8043885a21bbc3785ab104e68b
+Subproject commit d1bcc6f1521ce26bd9127f382982416c272db432