diff --git a/.yarn/cache/@blockfrost-openapi-npm-0.1.61-beta.0-32e9de66b5-d8041d9159.zip b/.yarn/cache/@blockfrost-openapi-npm-0.1.61-beta.0-32e9de66b5-d8041d9159.zip
deleted file mode 100644
index dac2c54e..00000000
Binary files a/.yarn/cache/@blockfrost-openapi-npm-0.1.61-beta.0-32e9de66b5-d8041d9159.zip and /dev/null differ
diff --git a/.yarn/cache/@blockfrost-openapi-npm-0.1.61-beta.3-df13aa2be1-2ad49b931a.zip b/.yarn/cache/@blockfrost-openapi-npm-0.1.61-beta.3-df13aa2be1-2ad49b931a.zip
new file mode 100644
index 00000000..9c03ce09
Binary files /dev/null and b/.yarn/cache/@blockfrost-openapi-npm-0.1.61-beta.3-df13aa2be1-2ad49b931a.zip differ
diff --git a/package.json b/package.json
index 31445807..43e8ce37 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "dependencies": {
     "@blockfrost/blockfrost-js": "5.4.0",
     "@blockfrost/blockfrost-utils": "2.8.0",
-    "@blockfrost/openapi": "0.1.61-beta.0",
+    "@blockfrost/openapi": "0.1.61-beta.3",
     "@emurgo/cardano-serialization-lib-nodejs": "11.5.0",
     "@emurgo/cip14-js": "^3.0.1",
     "@fastify/cors": "^8.3.0",
diff --git a/src/routes/governance/dreps/drep-id/delegators.ts b/src/routes/governance/dreps/drep-id/delegators.ts
index 9246212f..e53c18fe 100644
--- a/src/routes/governance/dreps/drep-id/delegators.ts
+++ b/src/routes/governance/dreps/drep-id/delegators.ts
@@ -3,14 +3,13 @@ import * as QueryTypes from '../../../../types/queries/governance.js';
 import * as ResponseTypes from '../../../../types/responses/governance.js';
 import { getDbSync } from '../../../../utils/database.js';
 import { SQLQuery } from '../../../../sql/index.js';
-//import { getSchemaForEndpoint } from '@blockfrost/openapi';
+import { getSchemaForEndpoint } from '@blockfrost/openapi';
 
 async function route(fastify: FastifyInstance) {
   fastify.route({
     url: '/governance/dreps/:drep_id/delegators',
     method: 'GET',
-    // TODO: SCHEMA
-    // schema: getSchemaForEndpoint('/governance/dreps/{drep_id}/delegators'),
+    schema: getSchemaForEndpoint('/governance/dreps/{drep_id}/delegators'),
 
     handler: async (request: FastifyRequest<QueryTypes.RequestParametersDRepID>, reply) => {
       const clientDbSync = await getDbSync(fastify);
diff --git a/src/routes/governance/dreps/drep-id/index.ts b/src/routes/governance/dreps/drep-id/index.ts
index 4977068b..f80b4d66 100644
--- a/src/routes/governance/dreps/drep-id/index.ts
+++ b/src/routes/governance/dreps/drep-id/index.ts
@@ -4,14 +4,14 @@ import * as ResponseTypes from '../../../../types/responses/governance.js';
 import { getDbSync } from '../../../../utils/database.js';
 import { handle404 } from '../../../../utils/error-handler.js';
 import { SQLQuery } from '../../../../sql/index.js';
-//import { getSchemaForEndpoint } from '@blockfrost/openapi';
+import { getSchemaForEndpoint } from '@blockfrost/openapi';
 
 async function route(fastify: FastifyInstance) {
   fastify.route({
     url: '/governance/dreps/:drep_id',
     method: 'GET',
-    // TODO: SCHEMA
-    //schema: getSchemaForEndpoint('/governance/dreps/{drep_id}'),
+    schema: getSchemaForEndpoint('/governance/dreps/{drep_id}'),
+
     handler: async (request: FastifyRequest<QueryTypes.RequestDRepID>, reply) => {
       const clientDbSync = await getDbSync(fastify);
 
diff --git a/src/routes/governance/dreps/drep-id/metadata.ts b/src/routes/governance/dreps/drep-id/metadata.ts
index 2c4a1bf4..f64a1525 100644
--- a/src/routes/governance/dreps/drep-id/metadata.ts
+++ b/src/routes/governance/dreps/drep-id/metadata.ts
@@ -4,14 +4,14 @@ import * as ResponseTypes from '../../../../types/responses/governance.js';
 import { getDbSync } from '../../../../utils/database.js';
 import { handle404 } from '../../../../utils/error-handler.js';
 import { SQLQuery } from '../../../../sql/index.js';
-//import { getSchemaForEndpoint } from '@blockfrost/openapi';
+import { getSchemaForEndpoint } from '@blockfrost/openapi';
 
 async function route(fastify: FastifyInstance) {
   fastify.route({
     url: '/governance/dreps/:drep_id/metadata',
     method: 'GET',
-    // TODO: SCHEMA
-    // schema: getSchemaForEndpoint('/governance/dreps/{drep_id}/metadata'),
+    schema: getSchemaForEndpoint('/governance/dreps/{drep_id}/metadata'),
+
     handler: async (request: FastifyRequest<QueryTypes.RequestDRepID>, reply) => {
       const clientDbSync = await getDbSync(fastify);
 
diff --git a/src/routes/governance/dreps/drep-id/updates.ts b/src/routes/governance/dreps/drep-id/updates.ts
index 3e13ca1a..2dfdab50 100644
--- a/src/routes/governance/dreps/drep-id/updates.ts
+++ b/src/routes/governance/dreps/drep-id/updates.ts
@@ -3,14 +3,13 @@ import * as QueryTypes from '../../../../types/queries/governance.js';
 import * as ResponseTypes from '../../../../types/responses/governance.js';
 import { getDbSync } from '../../../../utils/database.js';
 import { SQLQuery } from '../../../../sql/index.js';
-//import { getSchemaForEndpoint } from '@blockfrost/openapi';
+import { getSchemaForEndpoint } from '@blockfrost/openapi';
 
 async function route(fastify: FastifyInstance) {
   fastify.route({
     url: '/governance/dreps/:drep_id/updates',
     method: 'GET',
-    // TODO: SCHEMA
-    // schema: getSchemaForEndpoint('/governance/dreps/{drep_id}/updates'),
+    schema: getSchemaForEndpoint('/governance/dreps/{drep_id}/updates'),
 
     handler: async (request: FastifyRequest<QueryTypes.RequestParametersDRepID>, reply) => {
       const clientDbSync = await getDbSync(fastify);
@@ -18,7 +17,7 @@ async function route(fastify: FastifyInstance) {
       const { rows }: { rows: ResponseTypes.DRepsDrepIDUpdates } =
         await clientDbSync.query<QueryTypes.DRepsDrepIDUpdates>(
           SQLQuery.get('governance_dreps_drep_id_updates'),
-          [request.query.order, request.query.count, request.query.page, request.params.drep_id],
+          [(request.query.order, request.query.count, request.query.page, request.params.drep_id)],
         );
 
       clientDbSync.release();
diff --git a/yarn-project.nix b/yarn-project.nix
index 46c5b4c5..48a8e8b1 100644
--- a/yarn-project.nix
+++ b/yarn-project.nix
@@ -144,7 +144,7 @@ cacheEntries = {
 "JSONStream@npm:1.3.5" = { filename = "JSONStream-npm-1.3.5-1987f2e6dd-2605fa1242.zip"; sha512 = "2605fa124260c61bad38bb65eba30d2f72216a78e94d0ab19b11b4e0327d572b8d530c0c9cc3b0764f727ad26d39e00bf7ebad57781ca6368394d73169c59e46"; };
 "eslint-plugin-prettier@npm:5.0.0" = { filename = "eslint-plugin-prettier-npm-5.0.0-2f21113cba-84e88744b9.zip"; sha512 = "84e88744b9050f2d5ef31b94e85294dda16f3a53c2449f9d33eac8ae6264889b459bf35a68e438fb6b329c2a1d6491aac4bfa00d86317e7009de3dad0311bec6"; };
 "supertest@npm:6.3.3" = { filename = "supertest-npm-6.3.3-2e2b5bc83a-38239e517f.zip"; sha512 = "38239e517f7ba62b7a139a79c5c48d55f8d67b5ff4b6e51d5b07732ca8bbc4a28ffa1b10916fbb403dd013a054dbf028edc5850057d9a43aecbff439d494673e"; };
-"@blockfrost/openapi@npm:0.1.61-beta.0" = { filename = "@blockfrost-openapi-npm-0.1.61-beta.0-32e9de66b5-d8041d9159.zip"; sha512 = "d8041d9159784111a639810d8297f5787608eabd6dcdf0d9b3648f8f8c7ce0598ca3cc6afb0a8fa99ce51e5176ca187f264839a4fdf7a2fa0d888a796d8a7064"; };
+"@blockfrost/openapi@npm:0.1.61-beta.3" = { filename = "@blockfrost-openapi-npm-0.1.61-beta.3-df13aa2be1-2ad49b931a.zip"; sha512 = "2ad49b931a6f91fc17ca7f1c5d651f4272ced90e4d46e370a4f6c86eb69e39ffb1aee29deca80382d47cde575e1176113f090f88ad49df7400b7345bed1ea169"; };
 "@types/pg@npm:8.10.2" = { filename = "@types-pg-npm-8.10.2-de8ade0e64-49da89f64c.zip"; sha512 = "49da89f64cec1bd12a3fbc0c72b17d685c2fee579726a529f62fcab395dbc5696d80455073409947a577164b3c53a90181a331e4a5d9357679f724d4ce37f4b9"; };
 "axios@npm:1.5.0" = { filename = "axios-npm-1.5.0-35a845e191-e7405a5dbb.zip"; sha512 = "e7405a5dbbea97760d0e6cd58fecba311b0401ddb4a8efbc4108f5537da9b3f278bde566deb777935a960beec4fa18e7b8353881f2f465e4f2c0e949fead35be"; };
 "@types/express@npm:4.17.17" = { filename = "@types-express-npm-4.17.17-46fe8173db-0196dacc27.zip"; sha512 = "0196dacc275ac3ce89d7364885cb08e7fb61f53ca101f65886dbf1daf9b7eb05c0943e2e4bbd01b0cc5e50f37e0eea7e4cbe97d0304094411ac73e1b7998f4da"; };
diff --git a/yarn.lock b/yarn.lock
index 086895e2..da553797 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -136,14 +136,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@blockfrost/openapi@npm:0.1.61-beta.0":
-  version: 0.1.61-beta.0
-  resolution: "@blockfrost/openapi@npm:0.1.61-beta.0"
+"@blockfrost/openapi@npm:0.1.61-beta.3":
+  version: 0.1.61-beta.3
+  resolution: "@blockfrost/openapi@npm:0.1.61-beta.3"
   dependencies:
     ajv: ^8.12.0
     cbor: ^9.0.1
     yaml: ^2.3.4
-  checksum: d8041d9159784111a639810d8297f5787608eabd6dcdf0d9b3648f8f8c7ce0598ca3cc6afb0a8fa99ce51e5176ca187f264839a4fdf7a2fa0d888a796d8a7064
+  checksum: 2ad49b931a6f91fc17ca7f1c5d651f4272ced90e4d46e370a4f6c86eb69e39ffb1aee29deca80382d47cde575e1176113f090f88ad49df7400b7345bed1ea169
   languageName: node
   linkType: hard
 
@@ -1956,7 +1956,7 @@ __metadata:
     "@blockfrost/blockfrost-js": 5.4.0
     "@blockfrost/blockfrost-tests": 1.10.0
     "@blockfrost/blockfrost-utils": 2.8.0
-    "@blockfrost/openapi": 0.1.61-beta.0
+    "@blockfrost/openapi": 0.1.61-beta.3
     "@emurgo/cardano-serialization-lib-nodejs": 11.5.0
     "@emurgo/cip14-js": ^3.0.1
     "@esbuild/darwin-x64": "npm:0.16.17"