diff --git a/codexdht.nimble b/codexdht.nimble
index e24a135..7635ce1 100644
--- a/codexdht.nimble
+++ b/codexdht.nimble
@@ -8,18 +8,18 @@ skipDirs      = @["tests"]
 
 # Dependencies
 requires "secp256k1#2acbbdcc0e63002a013fff49f015708522875832" # >= 0.5.2 & < 0.6.0
-requires "protobuf_serialization" # >= 0.2.0 & < 0.3.0
+requires "protobuf_serialization#5a31137a82c2b6a989c9ed979bb636c7a49f570e" # >= 0.2.0 & < 0.3.0
 requires "nimcrypto >= 0.5.4"
 requires "bearssl == 0.2.5"
 requires "chronicles >= 0.10.2 & < 0.11.0"
 requires "chronos >= 4.0.3 & < 4.1.0"
 requires "libp2p == 1.5.0"
-requires "metrics"
-requires "stew#head"
+requires "metrics#cacfdc12454a0804c65112b9f4f50d1375208dcd"
+requires "stew >= 0.2.0"
 requires "stint#3236fa68394f1e3a06e2bc34218aacdd2d675923"
-requires "results == 0.5.1"
-requires "https://github.com/codex-storage/nim-datastore#27ca95a52805cd2bd85906e8d687f998b0db9799"
-requires "questionable"
+requires "results >= 0.5.1"
+requires "https://github.com/codex-storage/nim-datastore#e24c8036ee95f2611b384d7b5672025d18c82358"
+requires "questionable >= 0.10.15"
 
 task testAll, "Run all test suites":
   exec "nimble install -d -y"
diff --git a/nimble.lock b/nimble.lock
new file mode 100644
index 0000000..3573802
--- /dev/null
+++ b/nimble.lock
@@ -0,0 +1,342 @@
+{
+  "version": 2,
+  "packages": {
+    "asynctest": {
+      "version": "0.5.2",
+      "vcsRevision": "32df0f19d6e0e6f84c762cf8de7361ddb419f4ba",
+      "url": "https://github.com/markspanbroek/asynctest",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "4299d906d93ca5b4fa2f85e808fe868e0be65d43"
+      }
+    },
+    "unittest2": {
+      "version": "0.2.3",
+      "vcsRevision": "845b6af28b9f68f02d320e03ad18eccccea7ddb9",
+      "url": "https://github.com/status-im/nim-unittest2",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "6936b4e4676c9b37537d93f31cb8fc46f4ebaacb"
+      }
+    },
+    "bearssl": {
+      "version": "0.2.5",
+      "vcsRevision": "667b40440a53a58e9f922e29e20818720c62d9ac",
+      "url": "https://github.com/status-im/nim-bearssl",
+      "downloadMethod": "git",
+      "dependencies": [
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "550e6f9321b85de53bba9c0ffab9c95ffbe12ab3"
+      }
+    },
+    "testutils": {
+      "version": "0.5.3",
+      "vcsRevision": "4d37244f9f5e1acd8592a4ceb5c3fc47bc160181",
+      "url": "https://github.com/status-im/nim-testutils",
+      "downloadMethod": "git",
+      "dependencies": [
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "2841517f3891ab396cb78d98d46ffd2551176f4b"
+      }
+    },
+    "results": {
+      "version": "0.5.1",
+      "vcsRevision": "df8113dda4c2d74d460a8fa98252b0b771bf1f27",
+      "url": "https://github.com/arnetheduck/nim-results",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "a9c011f74bc9ed5c91103917b9f382b12e82a9e7"
+      }
+    },
+    "stew": {
+      "version": "0.2.0",
+      "vcsRevision": "79e4fa5a9d3374db17ed63622714d3e1094c7f34",
+      "url": "https://github.com/status-im/nim-stew",
+      "downloadMethod": "git",
+      "dependencies": [
+        "results",
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "26d477c735913b7daa1dab53dd74803c88209634"
+      }
+    },
+    "faststreams": {
+      "version": "0.3.0",
+      "vcsRevision": "cf8d4d22636b8e514caf17e49f9c786ac56b0e85",
+      "url": "https://github.com/status-im/nim-faststreams",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew",
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "68cf8639726abbbe46103fc3457634b297e5589b"
+      }
+    },
+    "serialization": {
+      "version": "0.2.6",
+      "vcsRevision": "2086c99608b4bf472e1ef5fe063710f280243396",
+      "url": "https://github.com/status-im/nim-serialization",
+      "downloadMethod": "git",
+      "dependencies": [
+        "faststreams",
+        "unittest2",
+        "stew"
+      ],
+      "checksums": {
+        "sha1": "26deca68e1a027be90e2bf2856e25aa819101d1e"
+      }
+    },
+    "json_serialization": {
+      "version": "0.2.9",
+      "vcsRevision": "6eadb6e939ffa7882ff5437033c11a9464d3385c",
+      "url": "https://github.com/status-im/nim-json-serialization",
+      "downloadMethod": "git",
+      "dependencies": [
+        "serialization",
+        "stew",
+        "results"
+      ],
+      "checksums": {
+        "sha1": "4062dc791d268930701bdef55b5cc35f82303ad3"
+      }
+    },
+    "chronicles": {
+      "version": "0.10.3",
+      "vcsRevision": "32ac8679680ea699f7dbc046e8e0131cac97d41a",
+      "url": "https://github.com/status-im/nim-chronicles",
+      "downloadMethod": "git",
+      "dependencies": [
+        "testutils",
+        "json_serialization"
+      ],
+      "checksums": {
+        "sha1": "79f09526d4d9b9196dd2f6a75310d71a890c4f88"
+      }
+    },
+    "httputils": {
+      "version": "0.3.0",
+      "vcsRevision": "8bb1acbaa4b86eb866145b0d468eff64a57d1897",
+      "url": "https://github.com/status-im/nim-http-utils",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew",
+        "results",
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "e77263e385390e2e1ace602527c8491a48a85715"
+      }
+    },
+    "chronos": {
+      "version": "4.0.3",
+      "vcsRevision": "c04576d829b8a0a1b12baaa8bc92037501b3a4a0",
+      "url": "https://github.com/status-im/nim-chronos",
+      "downloadMethod": "git",
+      "dependencies": [
+        "results",
+        "stew",
+        "bearssl",
+        "httputils",
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "ba179f34b0513ebd1615076f07b61e2e217bd228"
+      }
+    },
+    "questionable": {
+      "version": "0.10.15",
+      "vcsRevision": "82d90b67bcfb7f2e918b61dace2ff1a4ced60935",
+      "url": "https://github.com/markspanbroek/questionable",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "3238ff637c7b44d2fa8fcb839a8ded968e389de3"
+      }
+    },
+    "sqlite3_abi": {
+      "version": "3.47.0.0",
+      "vcsRevision": "05bbff1af4e8fe2d972ba4b0667b89ca94d3ebba",
+      "url": "https://github.com/arnetheduck/nim-sqlite3-abi",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "4057724e672b6b6f4d9b96b64914617b46e1bd69"
+      }
+    },
+    "leveldbstatic": {
+      "version": "0.2.0",
+      "vcsRevision": "0bd875d2b76c5b02c771fc1de136826dae6802c6",
+      "url": "https://github.com/codex-storage/nim-leveldb",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "269646c68f52a9756242731282ffb20cd3fb536d"
+      }
+    },
+    "datastore": {
+      "version": "0.2.0",
+      "vcsRevision": "e24c8036ee95f2611b384d7b5672025d18c82358",
+      "url": "https://github.com/codex-storage/nim-datastore",
+      "downloadMethod": "git",
+      "dependencies": [
+        "asynctest",
+        "chronos",
+        "questionable",
+        "sqlite3_abi",
+        "leveldbstatic",
+        "stew",
+        "results",
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "bdc2017b4e1568f09ca47c5202df0500aca77e86"
+      }
+    },
+    "dnsclient": {
+      "version": "0.3.4",
+      "vcsRevision": "23214235d4784d24aceed99bbfe153379ea557c8",
+      "url": "https://github.com/ba0f3/dnsclient.nim",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "65262c7e533ff49d6aca5539da4bc6c6ce132f40"
+      }
+    },
+    "nimcrypto": {
+      "version": "0.6.2",
+      "vcsRevision": "dc07e3058c6904eef965394493b6ea99aa2adefc",
+      "url": "https://github.com/cheatfate/nimcrypto",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "8e3e42530f54c8c312942a89640b7e0f687f33a5"
+      }
+    },
+    "metrics": {
+      "version": "0.1.0",
+      "vcsRevision": "cacfdc12454a0804c65112b9f4f50d1375208dcd",
+      "url": "https://github.com/status-im/nim-metrics",
+      "downloadMethod": "git",
+      "dependencies": [
+        "chronos",
+        "results",
+        "stew"
+      ],
+      "checksums": {
+        "sha1": "c9c52d1f58de7c6589ff40d94f0a61cbd0e3a9d4"
+      }
+    },
+    "secp256k1": {
+      "version": "0.6.0.3.1",
+      "vcsRevision": "2acbbdcc0e63002a013fff49f015708522875832",
+      "url": "https://github.com/status-im/nim-secp256k1",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew",
+        "nimcrypto"
+      ],
+      "checksums": {
+        "sha1": "146818431dec16ededb951f42fc36832949bcc8f"
+      }
+    },
+    "zlib": {
+      "version": "0.1.0",
+      "vcsRevision": "91cf360b1aeb2e0c753ff8bac6de22a41c5ed8cd",
+      "url": "https://github.com/status-im/nim-zlib",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew"
+      ],
+      "checksums": {
+        "sha1": "faccf2d54a8fe919aa2ac01b5af79a3b49b045fb"
+      }
+    },
+    "websock": {
+      "version": "0.2.0",
+      "vcsRevision": "ebe308a79a7b440a11dfbe74f352be86a3883508",
+      "url": "https://github.com/status-im/nim-websock",
+      "downloadMethod": "git",
+      "dependencies": [
+        "chronos",
+        "httputils",
+        "chronicles",
+        "stew",
+        "nimcrypto",
+        "bearssl",
+        "zlib"
+      ],
+      "checksums": {
+        "sha1": "614476e24cad4fe27ee05d29c2b7ea3e4674e3c2"
+      }
+    },
+    "libp2p": {
+      "version": "1.5.0",
+      "vcsRevision": "18a2e79ce209d2f21d8c5db7a41659cc39dbe0b4",
+      "url": "https://github.com/status-im/nim-libp2p",
+      "downloadMethod": "git",
+      "dependencies": [
+        "nimcrypto",
+        "dnsclient",
+        "bearssl",
+        "chronicles",
+        "chronos",
+        "metrics",
+        "secp256k1",
+        "stew",
+        "websock",
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "e9ff759e55a29d15d885cc8e82155111ef33f78e"
+      }
+    },
+    "npeg": {
+      "version": "1.2.0",
+      "vcsRevision": "22449099d92d8bbd535fcd950287274c8d11daed",
+      "url": "https://github.com/zevv/npeg",
+      "downloadMethod": "git",
+      "dependencies": [],
+      "checksums": {
+        "sha1": "bfe84b7b89a4f92e9ca6d9be8256bdda032e556b"
+      }
+    },
+    "protobuf_serialization": {
+      "version": "0.3.0",
+      "vcsRevision": "5a31137a82c2b6a989c9ed979bb636c7a49f570e",
+      "url": "https://github.com/status-im/nim-protobuf-serialization",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew",
+        "faststreams",
+        "serialization",
+        "npeg",
+        "unittest2"
+      ],
+      "checksums": {
+        "sha1": "ed8270a5f874af35c5e9c04b50020c8a27ba61f5"
+      }
+    },
+    "stint": {
+      "version": "2.0.0",
+      "vcsRevision": "3236fa68394f1e3a06e2bc34218aacdd2d675923",
+      "url": "https://github.com/status-im/nim-stint",
+      "downloadMethod": "git",
+      "dependencies": [
+        "stew"
+      ],
+      "checksums": {
+        "sha1": "50744885ee1c320675078b46520268bf3c3c5d81"
+      }
+    }
+  },
+  "tasks": {}
+}