diff --git a/nimble.lock b/nimble.lock
index 0794840..d43b90b 100644
--- a/nimble.lock
+++ b/nimble.lock
@@ -12,18 +12,18 @@
       }
     },
     "unittest2": {
-      "version": "0.2.4",
-      "vcsRevision": "8b51e99b4a57fcfb31689230e75595f024543024",
+      "version": "0.2.5",
+      "vcsRevision": "26f2ef3ae0ec72a2a75bfe557e02e88f6a31c189",
       "url": "https://github.com/status-im/nim-unittest2",
       "downloadMethod": "git",
       "dependencies": [],
       "checksums": {
-        "sha1": "746106a4dfefffce497f1693733f1c1513b5c62c"
+        "sha1": "02bb3751ba9ddc3c17bfd89f2e41cb6bfb8fc0c9"
       }
     },
     "stew": {
-      "version": "0.4.1",
-      "vcsRevision": "e5740014961438610d336cd81706582dbf2c96f0",
+      "version": "0.4.2",
+      "vcsRevision": "b66168735d6f3841c5239c3169d3fe5fe98b1257",
       "url": "https://github.com/status-im/nim-stew",
       "downloadMethod": "git",
       "dependencies": [
@@ -31,12 +31,12 @@
         "unittest2"
       ],
       "checksums": {
-        "sha1": "996d9c058ee078d0209a5f539424a0235683918c"
+        "sha1": "928e82cb8d2f554e8f10feb2349ee9c32fee3a8c"
       }
     },
     "faststreams": {
-      "version": "0.4.1",
-      "vcsRevision": "c3ac3f639ed1d62f59d3077d376a29c63ac9750c",
+      "version": "0.5.0",
+      "vcsRevision": "ce27581a3e881f782f482cb66dc5b07a02bd615e",
       "url": "https://github.com/status-im/nim-faststreams",
       "downloadMethod": "git",
       "dependencies": [
@@ -44,7 +44,7 @@
         "unittest2"
       ],
       "checksums": {
-        "sha1": "e2d03280cf0675314136e6e63d9d928d9dfc9705"
+        "sha1": "ee61e507b805ae1df7ec936f03f2d101b0d72383"
       }
     },
     "serialization": {
@@ -62,17 +62,18 @@
       }
     },
     "json_serialization": {
-      "version": "0.4.2",
-      "vcsRevision": "e076cb9a2dff30e13aad0bb4a13049da86d07967",
+      "version": "0.4.4",
+      "vcsRevision": "c343b0e243d9e17e2c40f3a8a24340f7c4a71d44",
       "url": "https://github.com/status-im/nim-json-serialization",
       "downloadMethod": "git",
       "dependencies": [
+        "faststreams",
         "serialization",
         "stew",
         "results"
       ],
       "checksums": {
-        "sha1": "2b26a9e0fc79638dbb9272fb4ab5a1d79264f938"
+        "sha1": "8b3115354104858a0ac9019356fb29720529c2bd"
       }
     },
     "testutils": {
diff --git a/serde.nimble b/serde.nimble
index c7e7912..219ff7f 100644
--- a/serde.nimble
+++ b/serde.nimble
@@ -11,4 +11,3 @@ requires "chronicles >= 0.10.3"
 requires "questionable >= 0.10.13 & < 0.11.0"
 requires "stint"
 requires "stew"
-requires "asynctest >= 0.5.1 & < 0.6.0"