diff --git a/README.md b/README.md
index d6c52f7..2d9d128 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,11 @@ NIPs with a relay-specific implementation are listed here.
 - [x] NIP-09: Event deletion
 - [x] NIP-11: Relay information document
 - [x] NIP-12: Generic tag queries
-- [ ] NIP-13: Proof of Work
+- [x] NIP-13: Proof of Work
 - [x] NIP-15: End of Stored Events Notice
 - [x] NIP-16: Event Treatment
-- [ ] NIP-25: Reactions
-- [x] NIP-26: Delegated Event Signing
-- [ ] NIP-27: Restricted Events (Experimental)
+- [x] NIP-22: Event `created_at` Limits
+- [x] NIP-26: Delegated Event Signing (DRAFT)
 
 ## Requirements
 
diff --git a/package-lock.json b/package-lock.json
index e4936d4..90e5c22 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,21 +1,21 @@
 {
   "name": "nostr-ts-relay",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "nostr-ts-relay",
-      "version": "1.0.0",
+      "version": "1.1.0",
       "license": "MIT",
       "dependencies": {
-        "@noble/secp256k1": "1.6.3",
-        "joi": "^17.6.0",
-        "knex": "^2.0.0",
-        "pg": "^8.7.3",
+        "@noble/secp256k1": "1.7.0",
+        "joi": "17.6.1",
+        "knex": "2.3.0",
+        "pg": "8.8.0",
         "pg-query-stream": "4.2.3",
-        "ramda": "^0.28.0",
-        "ws": "^8.5.0"
+        "ramda": "0.28.0",
+        "ws": "8.9.0"
       },
       "devDependencies": {
         "@types/chai": "^4.3.1",
@@ -696,9 +696,9 @@
       }
     },
     "node_modules/@noble/secp256k1": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.6.3.tgz",
-      "integrity": "sha512-T04e4iTurVy7I8Sw4+c5OSN9/RkPlo1uKxAomtxQNLq8j1uPAqnsqG1bqvY3Jv7c13gyr6dui0zmh/I3+f/JaQ==",
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.7.0.tgz",
+      "integrity": "sha512-kbacwGSsH/CTout0ZnZWxnW1B+jH/7r/WAAKLBtrRJ/+CUH7lgmQzl3GTrQua3SGKWNSDsS6lmjnDpIJ5Dxyaw==",
       "funding": [
         {
           "type": "individual",
@@ -1534,9 +1534,9 @@
       "dev": true
     },
     "node_modules/colorette": {
-      "version": "2.0.16",
-      "resolved": "https://registry.npmjs.org/colorette/-/colorette-2.0.16.tgz",
-      "integrity": "sha512-hUewv7oMjCp+wkBv5Rm0v87eJhq4woh5rSR+42YSQJKecCqgIqNkZ6lAlQms/BwHPJA5NKMRlpxPRv0n8HQW6g=="
+      "version": "2.0.19",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-2.0.19.tgz",
+      "integrity": "sha512-3tlv/dIP7FWvj3BsbHrGLJ6l/oKh1O3TcgBqMn+yyCagOxc23fyzDS6HypQbgxWbkpDnf52p1LuR4eWDQ/K9WQ=="
     },
     "node_modules/commander": {
       "version": "9.2.0",
@@ -2673,9 +2673,9 @@
       }
     },
     "node_modules/joi": {
-      "version": "17.6.0",
-      "resolved": "https://registry.npmjs.org/joi/-/joi-17.6.0.tgz",
-      "integrity": "sha512-OX5dG6DTbcr/kbMFj0KGYxuew69HPcAE3K/sZpEV2nP6e/j/C0HV+HNiBPCASxdx5T7DMoa0s8UeHWMnb6n2zw==",
+      "version": "17.6.1",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.6.1.tgz",
+      "integrity": "sha512-Hl7/iBklIX345OCM1TiFSCZRVaAOLDGlWCp0Df2vWYgBgjkezaR7Kvm3joBciBHQjZj5sxXs859r6eqsRSlG8w==",
       "dependencies": {
         "@hapi/hoek": "^9.0.0",
         "@hapi/topo": "^5.0.0",
@@ -2764,11 +2764,11 @@
       "peer": true
     },
     "node_modules/knex": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/knex/-/knex-2.0.0.tgz",
-      "integrity": "sha512-LchC8/GLfreMz8d4kCwh/ymXttsoJG8zO1O0AJBjnxdyr2oT/k2ik77hP1PpZkZH9mDQrq6WsQcIu18Pnqppzg==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/knex/-/knex-2.3.0.tgz",
+      "integrity": "sha512-WMizPaq9wRMkfnwKXKXgBZeZFOSHGdtoSz5SaLAVNs3WRDfawt9O89T4XyH52PETxjV8/kRk0Yf+8WBEP/zbYw==",
       "dependencies": {
-        "colorette": "2.0.16",
+        "colorette": "2.0.19",
         "commander": "^9.1.0",
         "debug": "4.3.4",
         "escalade": "^3.1.1",
@@ -3654,14 +3654,14 @@
       }
     },
     "node_modules/pg": {
-      "version": "8.7.3",
-      "resolved": "https://registry.npmjs.org/pg/-/pg-8.7.3.tgz",
-      "integrity": "sha512-HPmH4GH4H3AOprDJOazoIcpI49XFsHCe8xlrjHkWiapdbHK+HLtbm/GQzXYAZwmPju/kzKhjaSfMACG+8cgJcw==",
+      "version": "8.8.0",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-8.8.0.tgz",
+      "integrity": "sha512-UXYN0ziKj+AeNNP7VDMwrehpACThH7LUl/p8TDFpEUuSejCUIwGSfxpHsPvtM6/WXFy6SU4E5RG4IJV/TZAGjw==",
       "dependencies": {
         "buffer-writer": "2.0.0",
         "packet-reader": "1.0.0",
         "pg-connection-string": "^2.5.0",
-        "pg-pool": "^3.5.1",
+        "pg-pool": "^3.5.2",
         "pg-protocol": "^1.5.0",
         "pg-types": "^2.1.0",
         "pgpass": "1.x"
@@ -3670,7 +3670,7 @@
         "node": ">= 8.0.0"
       },
       "peerDependencies": {
-        "pg-native": ">=2.0.0"
+        "pg-native": ">=3.0.1"
       },
       "peerDependenciesMeta": {
         "pg-native": {
@@ -3700,9 +3700,9 @@
       }
     },
     "node_modules/pg-pool": {
-      "version": "3.5.1",
-      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.5.1.tgz",
-      "integrity": "sha512-6iCR0wVrro6OOHFsyavV+i6KYL4lVNyYAB9RD18w66xSzN+d8b66HiwuP30Gp1SH5O9T82fckkzsRjlrhD0ioQ==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.5.2.tgz",
+      "integrity": "sha512-His3Fh17Z4eg7oANLob6ZvH8xIVen3phEZh2QuyrIl4dQSDVEabNducv6ysROKpDNPSD+12tONZVWfSgMvDD9w==",
       "peerDependencies": {
         "pg": ">=8.0"
       }
@@ -4770,9 +4770,9 @@
       }
     },
     "node_modules/ws": {
-      "version": "8.5.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
-      "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.9.0.tgz",
+      "integrity": "sha512-Ja7nszREasGaYUYCI2k4lCKIRTt+y7XuqVoHR44YpI49TtryyqbqvDMn5eqfW7e6HzTukDRIsXqzVHScqRcafg==",
       "engines": {
         "node": ">=10.0.0"
       },
@@ -5387,9 +5387,9 @@
       }
     },
     "@noble/secp256k1": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.6.3.tgz",
-      "integrity": "sha512-T04e4iTurVy7I8Sw4+c5OSN9/RkPlo1uKxAomtxQNLq8j1uPAqnsqG1bqvY3Jv7c13gyr6dui0zmh/I3+f/JaQ=="
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.7.0.tgz",
+      "integrity": "sha512-kbacwGSsH/CTout0ZnZWxnW1B+jH/7r/WAAKLBtrRJ/+CUH7lgmQzl3GTrQua3SGKWNSDsS6lmjnDpIJ5Dxyaw=="
     },
     "@nodelib/fs.scandir": {
       "version": "2.1.5",
@@ -5999,9 +5999,9 @@
       "dev": true
     },
     "colorette": {
-      "version": "2.0.16",
-      "resolved": "https://registry.npmjs.org/colorette/-/colorette-2.0.16.tgz",
-      "integrity": "sha512-hUewv7oMjCp+wkBv5Rm0v87eJhq4woh5rSR+42YSQJKecCqgIqNkZ6lAlQms/BwHPJA5NKMRlpxPRv0n8HQW6g=="
+      "version": "2.0.19",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-2.0.19.tgz",
+      "integrity": "sha512-3tlv/dIP7FWvj3BsbHrGLJ6l/oKh1O3TcgBqMn+yyCagOxc23fyzDS6HypQbgxWbkpDnf52p1LuR4eWDQ/K9WQ=="
     },
     "commander": {
       "version": "9.2.0",
@@ -6853,9 +6853,9 @@
       }
     },
     "joi": {
-      "version": "17.6.0",
-      "resolved": "https://registry.npmjs.org/joi/-/joi-17.6.0.tgz",
-      "integrity": "sha512-OX5dG6DTbcr/kbMFj0KGYxuew69HPcAE3K/sZpEV2nP6e/j/C0HV+HNiBPCASxdx5T7DMoa0s8UeHWMnb6n2zw==",
+      "version": "17.6.1",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.6.1.tgz",
+      "integrity": "sha512-Hl7/iBklIX345OCM1TiFSCZRVaAOLDGlWCp0Df2vWYgBgjkezaR7Kvm3joBciBHQjZj5sxXs859r6eqsRSlG8w==",
       "requires": {
         "@hapi/hoek": "^9.0.0",
         "@hapi/topo": "^5.0.0",
@@ -6927,11 +6927,11 @@
       "peer": true
     },
     "knex": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/knex/-/knex-2.0.0.tgz",
-      "integrity": "sha512-LchC8/GLfreMz8d4kCwh/ymXttsoJG8zO1O0AJBjnxdyr2oT/k2ik77hP1PpZkZH9mDQrq6WsQcIu18Pnqppzg==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/knex/-/knex-2.3.0.tgz",
+      "integrity": "sha512-WMizPaq9wRMkfnwKXKXgBZeZFOSHGdtoSz5SaLAVNs3WRDfawt9O89T4XyH52PETxjV8/kRk0Yf+8WBEP/zbYw==",
       "requires": {
-        "colorette": "2.0.16",
+        "colorette": "2.0.19",
         "commander": "^9.1.0",
         "debug": "4.3.4",
         "escalade": "^3.1.1",
@@ -7609,14 +7609,14 @@
       "dev": true
     },
     "pg": {
-      "version": "8.7.3",
-      "resolved": "https://registry.npmjs.org/pg/-/pg-8.7.3.tgz",
-      "integrity": "sha512-HPmH4GH4H3AOprDJOazoIcpI49XFsHCe8xlrjHkWiapdbHK+HLtbm/GQzXYAZwmPju/kzKhjaSfMACG+8cgJcw==",
+      "version": "8.8.0",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-8.8.0.tgz",
+      "integrity": "sha512-UXYN0ziKj+AeNNP7VDMwrehpACThH7LUl/p8TDFpEUuSejCUIwGSfxpHsPvtM6/WXFy6SU4E5RG4IJV/TZAGjw==",
       "requires": {
         "buffer-writer": "2.0.0",
         "packet-reader": "1.0.0",
         "pg-connection-string": "^2.5.0",
-        "pg-pool": "^3.5.1",
+        "pg-pool": "^3.5.2",
         "pg-protocol": "^1.5.0",
         "pg-types": "^2.1.0",
         "pgpass": "1.x"
@@ -7639,9 +7639,9 @@
       "integrity": "sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw=="
     },
     "pg-pool": {
-      "version": "3.5.1",
-      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.5.1.tgz",
-      "integrity": "sha512-6iCR0wVrro6OOHFsyavV+i6KYL4lVNyYAB9RD18w66xSzN+d8b66HiwuP30Gp1SH5O9T82fckkzsRjlrhD0ioQ==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/pg-pool/-/pg-pool-3.5.2.tgz",
+      "integrity": "sha512-His3Fh17Z4eg7oANLob6ZvH8xIVen3phEZh2QuyrIl4dQSDVEabNducv6ysROKpDNPSD+12tONZVWfSgMvDD9w==",
       "requires": {}
     },
     "pg-protocol": {
@@ -8387,9 +8387,9 @@
       }
     },
     "ws": {
-      "version": "8.5.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
-      "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.9.0.tgz",
+      "integrity": "sha512-Ja7nszREasGaYUYCI2k4lCKIRTt+y7XuqVoHR44YpI49TtryyqbqvDMn5eqfW7e6HzTukDRIsXqzVHScqRcafg==",
       "requires": {}
     },
     "xtend": {
diff --git a/package.json b/package.json
index af65e71..2ba3052 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nostr-ts-relay",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "A nostr relay written in Typescript.",
   "main": "src/index.ts",
   "scripts": {
@@ -61,12 +61,12 @@
     "uuid": "^8.3.2"
   },
   "dependencies": {
-    "@noble/secp256k1": "1.6.3",
-    "joi": "^17.6.0",
-    "knex": "^2.0.0",
-    "pg": "^8.7.3",
+    "@noble/secp256k1": "1.7.0",
+    "joi": "17.6.1",
+    "knex": "2.3.0",
+    "pg": "8.8.0",
     "pg-query-stream": "4.2.3",
-    "ramda": "^0.28.0",
-    "ws": "^8.5.0"
+    "ramda": "0.28.0",
+    "ws": "8.9.0"
   }
 }
diff --git a/src/adapters/web-server-adapter.ts b/src/adapters/web-server-adapter.ts
index b3cd7df..4a137c7 100644
--- a/src/adapters/web-server-adapter.ts
+++ b/src/adapters/web-server-adapter.ts
@@ -32,7 +32,7 @@ export class WebServerAdapter extends EventEmitter implements IWebServerAdapter
         description,
         pubkey,
         contact,
-        supported_nips: [1, 2, 4, 9, 11, 12, 15, 16, 26],
+        supported_nips: [1, 2, 4, 9, 11, 12, 15, 16, 22, 26],
         software: packageJson.repository.url,
         version: packageJson.version,
       }