diff --git a/.github/workflows/multi_nim.yml b/.github/workflows/multi_nim.yml
index 4b52a81..3c7dd60 100644
--- a/.github/workflows/multi_nim.yml
+++ b/.github/workflows/multi_nim.yml
@@ -21,7 +21,7 @@ jobs:
             cpu: amd64
           #- os: windows
             #cpu: i386
-        branch: [version-1-2, version-1-4, version-1-6, devel]
+        branch: [version-1-2, version-1-6, devel]
         include:
           - target:
               os: linux
diff --git a/.pinned b/.pinned
index 3397fbb..57b4bb8 100644
--- a/.pinned
+++ b/.pinned
@@ -1,7 +1,7 @@
 bearssl;https://github.com/status-im/nim-bearssl@#f4c4233de453cb7eac0ce3f3ffad6496295f83ab
 chronicles;https://github.com/status-im/nim-chronicles@#32ac8679680ea699f7dbc046e8e0131cac97d41a
-chronos;https://github.com/status-im/nim-chronos@#9df76c39df254c7ff0cec6dec5c9f345f2819c91
-dnsclient;https://github.com/ba0f3/dnsclient.nim@#6647ca8bd9ffcc13adaecb9cb6453032063967db
+chronos;https://github.com/status-im/nim-chronos@#266e2c0ed26b455872bccb3ddbd316815a283659
+dnsclient;https://github.com/ba0f3/dnsclient.nim@#fcd7443634b950eaea574e5eaa00a628ae029823
 faststreams;https://github.com/status-im/nim-faststreams@#6112432b3a81d9db116cd5d64c39648881cfff29
 httputils;https://github.com/status-im/nim-http-utils@#e88e231dfcef4585fe3b2fbd9b664dbd28a88040
 json_serialization;https://github.com/status-im/nim-json-serialization@#e5b18fb710c3d0167ec79f3b892f5a7a1bc6d1a4
@@ -9,8 +9,8 @@ metrics;https://github.com/status-im/nim-metrics@#0a6477268e850d7bc98347b3875301
 nimcrypto;https://github.com/cheatfate/nimcrypto@#24e006df85927f64916e60511620583b11403178
 secp256k1;https://github.com/status-im/nim-secp256k1@#c7f1a37d9b0f17292649bfed8bf6cef83cf4221f
 serialization;https://github.com/status-im/nim-serialization@#493d18b8292fc03aa4f835fd825dea1183f97466
-stew;https://github.com/status-im/nim-stew@#f2e58ba4c8da65548c824e4fa8732db9739f6505
+stew;https://github.com/status-im/nim-stew@#23da07c9b59c0ba3d4efa7e4e6e2c4121ae5a156
 testutils;https://github.com/status-im/nim-testutils@#dfc4c1b39f9ded9baf6365014de2b4bfb4dafc34
 unittest2;https://github.com/status-im/nim-unittest2@#f180f596c88dfd266f746ed6f8dbebce39c824db
-websock;https://github.com/status-im/nim-websock@#2424f2b215c0546f97d8b147e21544521c7545b0
+websock;https://github.com/status-im/nim-websock@#acbe30e9ca1e51dcbbfe4c552ee6f16c7eede538
 zlib;https://github.com/status-im/nim-zlib@#6a6670afba6b97b29b920340e2641978c05ab4d8
\ No newline at end of file
diff --git a/libp2p/protocols/pubsub/pubsub.nim b/libp2p/protocols/pubsub/pubsub.nim
index 606744a..a7d7fc2 100644
--- a/libp2p/protocols/pubsub/pubsub.nim
+++ b/libp2p/protocols/pubsub/pubsub.nim
@@ -267,11 +267,11 @@ proc updateMetrics*(p: PubSub, rpcMsg: RPCMsg) =
 
 method rpcHandler*(p: PubSub,
                    peer: PubSubPeer,
-                   rpcMsg: RPCMsg): Future[void] {.base.} =
+                   rpcMsg: RPCMsg): Future[void] {.base, async.} =
   ## Handler that must be overridden by concrete implementation
   raiseAssert "Unimplemented"
 
-method onNewPeer(p: PubSub, peer: PubSubPeer) {.base.} = discard
+method onNewPeer(p: PubSub, peer: PubSubPeer) {.base, gcsafe.} = discard
 
 method onPubSubPeerEvent*(p: PubSub, peer: PubSubPeer, event: PubSubPeerEvent) {.base, gcsafe.} =
   # Peer event is raised for the send connection in particular
diff --git a/libp2p/protocols/secure/secure.nim b/libp2p/protocols/secure/secure.nim
index c187fd2..124e1e9 100644
--- a/libp2p/protocols/secure/secure.nim
+++ b/libp2p/protocols/secure/secure.nim
@@ -7,6 +7,7 @@
 # This file may not be copied, modified, or distributed except according to
 # those terms.
 
+{.push gcsafe.}
 when (NimMajor, NimMinor) < (1, 4):
   {.push raises: [Defect].}
 else:
diff --git a/libp2p/stream/lpstream.nim b/libp2p/stream/lpstream.nim
index fb9401a..e2b7327 100644
--- a/libp2p/stream/lpstream.nim
+++ b/libp2p/stream/lpstream.nim
@@ -9,6 +9,7 @@
 
 ## Length Prefixed stream implementation
 
+{.push gcsafe.}
 when (NimMajor, NimMinor) < (1, 4):
   {.push raises: [Defect].}
 else:
diff --git a/libp2p/upgrademngrs/upgrade.nim b/libp2p/upgrademngrs/upgrade.nim
index c5733e6..c087bed 100644
--- a/libp2p/upgrademngrs/upgrade.nim
+++ b/libp2p/upgrademngrs/upgrade.nim
@@ -7,6 +7,7 @@
 # This file may not be copied, modified, or distributed except according to
 # those terms.
 
+{.push gcsafe.}
 when (NimMajor, NimMinor) < (1, 4):
   {.push raises: [Defect].}
 else: