diff --git a/docker/beacon_node/Dockerfile b/docker/beacon_node/Dockerfile
index 2b379b217..61b7145a7 100644
--- a/docker/beacon_node/Dockerfile
+++ b/docker/beacon_node/Dockerfile
@@ -25,6 +25,7 @@ RUN cd nimbus \
       -d:with${NETWORK_BACKEND} \
       -d:SHARD_COUNT=${SHARD_COUNT} \
       -d:SLOTS_PER_EPOCH=${SLOTS_PER_EPOCH} \
+      -d:chronicles_sinks=json \
       c vendor/nim-beacon-chain/beacon_chain/beacon_node.nim
 
 # --------------------------------- #
diff --git a/vendor/nim-chronicles b/vendor/nim-chronicles
index e477bc220..196615af9 160000
--- a/vendor/nim-chronicles
+++ b/vendor/nim-chronicles
@@ -1 +1 @@
-Subproject commit e477bc220e9608a0aa52bb5c6f62b4d596383b7a
+Subproject commit 196615af977ee313a17e0fde69262eaccf919cca
diff --git a/vendor/nim-eth b/vendor/nim-eth
index a69e52bf3..f0bf0570d 160000
--- a/vendor/nim-eth
+++ b/vendor/nim-eth
@@ -1 +1 @@
-Subproject commit a69e52bf3ec6d56f1f84ee7dacdf92b79fa782a2
+Subproject commit f0bf0570d1ee191124e26943c34da00b9f76c963
diff --git a/vendor/nim-faststreams b/vendor/nim-faststreams
index acd5a6063..7dd9a92cc 160000
--- a/vendor/nim-faststreams
+++ b/vendor/nim-faststreams
@@ -1 +1 @@
-Subproject commit acd5a6063c89acf0bb223a18d8d10fd43e718a40
+Subproject commit 7dd9a92ccb919e734e8891467286a2e0597894de
diff --git a/vendor/nim-json-serialization b/vendor/nim-json-serialization
index 40de10327..cbec44d33 160000
--- a/vendor/nim-json-serialization
+++ b/vendor/nim-json-serialization
@@ -1 +1 @@
-Subproject commit 40de1032780dab05dfd955f86651060c21b9280e
+Subproject commit cbec44d339c962f2010bf796af0b1ba1a8c3fa7f