diff --git a/ci/docker-compose.yml b/ci/docker-compose.yml
index 74746f97..b762e87c 100644
--- a/ci/docker-compose.yml
+++ b/ci/docker-compose.yml
@@ -21,7 +21,7 @@ services:
       AUTHENTICATION_ANONYMOUS_ACCESS_ENABLED: 'true'
       PERSISTENCE_DATA_PATH: '/var/lib/weaviate'
       DEFAULT_VECTORIZER_MODULE: 'text2vec-contextionary'
-      ENABLE_MODULES: text2vec-contextionary,backup-filesystem,img2vec-neural
+      ENABLE_MODULES: text2vec-contextionary,backup-filesystem,img2vec-neural,generative-cohere,reranker-cohere
       BACKUP_FILESYSTEM_PATH: "/tmp/backups"
       CLUSTER_GOSSIP_BIND_PORT: "7100"
       CLUSTER_DATA_BIND_PORT: "7101"
diff --git a/src/collections/config/classes.ts b/src/collections/config/classes.ts
index 1b023269..7c7fdc65 100644
--- a/src/collections/config/classes.ts
+++ b/src/collections/config/classes.ts
@@ -3,6 +3,7 @@ import { WeaviateInvalidInputError } from '../../errors.js';
 import {
   WeaviateClass,
   WeaviateInvertedIndexConfig,
+  WeaviateModuleConfig,
   WeaviateMultiTenancyConfig,
   WeaviateReplicationConfig,
   WeaviateVectorIndexConfig,
@@ -17,7 +18,15 @@ import {
   VectorIndexConfigFlatUpdate,
   VectorIndexConfigHNSWUpdate,
 } from '../configure/types/index.js';
-import { CollectionConfigUpdate, VectorIndexType } from './types/index.js';
+import {
+  CollectionConfigUpdate,
+  GenerativeConfig,
+  GenerativeSearch,
+  ModuleConfig,
+  Reranker,
+  RerankerConfig,
+  VectorIndexType,
+} from './types/index.js';
 
 export class MergeWithExisting {
   static schema(
@@ -27,6 +36,8 @@ export class MergeWithExisting {
   ): WeaviateClass {
     if (update === undefined) return current;
     if (update.description !== undefined) current.description = update.description;
+    if (update.generative !== undefined)
+      current.moduleConfig = MergeWithExisting.generative(current.moduleConfig, update.generative);
     if (update.invertedIndex !== undefined)
       current.invertedIndexConfig = MergeWithExisting.invertedIndex(
         current.invertedIndexConfig,
@@ -42,6 +53,8 @@ export class MergeWithExisting {
         current.replicationConfig!,
         update.replication
       );
+    if (update.reranker !== undefined)
+      current.moduleConfig = MergeWithExisting.reranker(current.moduleConfig, update.reranker);
     if (update.vectorizers !== undefined) {
       if (Array.isArray(update.vectorizers)) {
         current.vectorConfig = MergeWithExisting.vectors(current.vectorConfig, update.vectorizers);
@@ -61,6 +74,35 @@ export class MergeWithExisting {
     return current;
   }
 
+  static generative(
+    current: WeaviateModuleConfig,
+    update: ModuleConfig<GenerativeSearch, GenerativeConfig>
+  ): WeaviateModuleConfig {
+    if (current === undefined) throw Error('Module config is missing from the class schema.');
+    if (update === undefined) return current;
+    const generative = update.name === 'generative-azure-openai' ? 'generative-openai' : update.name;
+    const currentGenerative = current[generative] as Record<string, any>;
+    current[generative] = {
+      ...currentGenerative,
+      ...update.config,
+    };
+    return current;
+  }
+
+  static reranker(
+    current: WeaviateModuleConfig,
+    update: ModuleConfig<Reranker, RerankerConfig>
+  ): WeaviateModuleConfig {
+    if (current === undefined) throw Error('Module config is missing from the class schema.');
+    if (update === undefined) return current;
+    const reranker = current[update.name] as Record<string, any>;
+    current[update.name] = {
+      ...reranker,
+      ...update.config,
+    };
+    return current;
+  }
+
   static invertedIndex(
     current: WeaviateInvertedIndexConfig,
     update: InvertedIndexConfigUpdate
diff --git a/src/collections/config/integration.test.ts b/src/collections/config/integration.test.ts
index e930a0ef..254c6112 100644
--- a/src/collections/config/integration.test.ts
+++ b/src/collections/config/integration.test.ts
@@ -2,8 +2,11 @@
 import { WeaviateUnsupportedFeatureError } from '../../errors.js';
 import weaviate, { WeaviateClient, weaviateV2 } from '../../index.js';
 import {
+  GenerativeCohereConfig,
+  ModuleConfig,
   MultiTenancyConfig,
   PropertyConfig,
+  RerankerCohereConfig,
   VectorIndexConfigDynamic,
   VectorIndexConfigHNSW,
 } from './types/index.js';
@@ -621,4 +624,53 @@ describe('Testing of the collection.config namespace', () => {
     expect(config.vectorizers.default.indexType).toEqual('hnsw');
     expect(config.vectorizers.default.vectorizer.name).toEqual('none');
   });
+
+  it('should be able to update the generative & reranker configs of a collection', async () => {
+    if ((await client.getWeaviateVersion()).isLowerThan(1, 25, 0)) {
+      console.warn('Skipping test because Weaviate version is lower than 1.25.0');
+      return;
+    }
+    const collectionName = 'TestCollectionConfigUpdateGenerative';
+    const collection = client.collections.get(collectionName);
+    await client.collections.create({
+      name: collectionName,
+      vectorizers: weaviate.configure.vectorizer.none(),
+    });
+    let config = await collection.config.get();
+    expect(config.generative).toBeUndefined();
+
+    await collection.config.update({
+      generative: weaviate.reconfigure.generative.cohere({
+        model: 'model',
+      }),
+    });
+
+    config = await collection.config.get();
+    expect(config.generative).toEqual<ModuleConfig<'generative-cohere', GenerativeCohereConfig>>({
+      name: 'generative-cohere',
+      config: {
+        model: 'model',
+      },
+    });
+
+    await collection.config.update({
+      reranker: weaviate.reconfigure.reranker.cohere({
+        model: 'model',
+      }),
+    });
+
+    config = await collection.config.get();
+    expect(config.generative).toEqual<ModuleConfig<'generative-cohere', GenerativeCohereConfig>>({
+      name: 'generative-cohere',
+      config: {
+        model: 'model',
+      },
+    });
+    expect(config.reranker).toEqual<ModuleConfig<'reranker-cohere', RerankerCohereConfig>>({
+      name: 'reranker-cohere',
+      config: {
+        model: 'model',
+      },
+    });
+  });
 });
diff --git a/src/collections/config/types/index.ts b/src/collections/config/types/index.ts
index 8e5e1fb2..04630b1c 100644
--- a/src/collections/config/types/index.ts
+++ b/src/collections/config/types/index.ts
@@ -9,8 +9,8 @@ import {
   ReplicationConfigUpdate,
   VectorConfigUpdate,
 } from '../../configure/types/index.js';
-import { GenerativeConfig } from './generative.js';
-import { RerankerConfig } from './reranker.js';
+import { GenerativeConfig, GenerativeSearch } from './generative.js';
+import { Reranker, RerankerConfig } from './reranker.js';
 import { VectorIndexType } from './vectorIndex.js';
 import { VectorConfig } from './vectorizer.js';
 
@@ -93,22 +93,24 @@ export type ShardingConfig = {
 export type CollectionConfig = {
   name: string;
   description?: string;
-  generative?: GenerativeConfig;
+  generative?: ModuleConfig<GenerativeSearch, GenerativeConfig>;
   invertedIndex: InvertedIndexConfig;
   multiTenancy: MultiTenancyConfig;
   properties: PropertyConfig[];
   references: ReferenceConfig[];
   replication: ReplicationConfig;
-  reranker?: RerankerConfig;
+  reranker?: ModuleConfig<Reranker, RerankerConfig>;
   sharding: ShardingConfig;
   vectorizers: VectorConfig;
 };
 
 export type CollectionConfigUpdate = {
   description?: string;
+  generative?: ModuleConfig<GenerativeSearch, GenerativeConfig>;
   invertedIndex?: InvertedIndexConfigUpdate;
   multiTenancy?: MultiTenancyConfigUpdate;
   replication?: ReplicationConfigUpdate;
+  reranker?: ModuleConfig<Reranker, RerankerConfig>;
   vectorizers?:
     | VectorConfigUpdate<undefined, VectorIndexType>
     | VectorConfigUpdate<string, VectorIndexType>[];
diff --git a/src/collections/config/unit.test.ts b/src/collections/config/unit.test.ts
index fdc83c5d..b8fc8596 100644
--- a/src/collections/config/unit.test.ts
+++ b/src/collections/config/unit.test.ts
@@ -1,11 +1,15 @@
 import {
   WeaviateInvertedIndexConfig,
+  WeaviateModuleConfig,
   WeaviateMultiTenancyConfig,
   WeaviateVectorsConfig,
 } from '../../openapi/types';
 import { MergeWithExisting } from './classes';
+import { GenerativeCohereConfig, RerankerCohereConfig } from './types';
 
 describe('Unit testing of the MergeWithExisting class', () => {
+  const deepCopy = (config: any) => JSON.parse(JSON.stringify(config));
+
   const invertedIndex: WeaviateInvertedIndexConfig = {
     bm25: {
       b: 0.8,
@@ -62,7 +66,7 @@ describe('Unit testing of the MergeWithExisting class', () => {
   };
 
   it('should merge a full invertedIndexUpdate with existing schema', () => {
-    const merged = MergeWithExisting.invertedIndex(JSON.parse(JSON.stringify(invertedIndex)), {
+    const merged = MergeWithExisting.invertedIndex(deepCopy(invertedIndex), {
       bm25: {
         b: 0.9,
         k1: 1.4,
@@ -122,8 +126,20 @@ describe('Unit testing of the MergeWithExisting class', () => {
     autoTenantCreation: false,
   };
 
+  const moduleConfig: WeaviateModuleConfig = {
+    'generative-cohere': {
+      kProperty: 0.1,
+      model: 'model',
+      maxTokensProperty: '5',
+      returnLikelihoodsProperty: 'likelihoods',
+      stopSequencesProperty: ['and'],
+      temperatureProperty: 5.2,
+    },
+    'reranker-cohere': {},
+  };
+
   it('should merge a partial invertedIndexUpdate with existing schema', () => {
-    const merged = MergeWithExisting.invertedIndex(JSON.parse(JSON.stringify(invertedIndex)), {
+    const merged = MergeWithExisting.invertedIndex(deepCopy(invertedIndex), {
       bm25: {
         b: 0.9,
       },
@@ -147,7 +163,7 @@ describe('Unit testing of the MergeWithExisting class', () => {
   });
 
   it('should merge a no quantizer HNSW vectorIndexConfig with existing schema', () => {
-    const merged = MergeWithExisting.vectors(JSON.parse(JSON.stringify(hnswVectorConfig)), [
+    const merged = MergeWithExisting.vectors(deepCopy(hnswVectorConfig), [
       {
         name: 'name',
         vectorIndex: {
@@ -196,7 +212,7 @@ describe('Unit testing of the MergeWithExisting class', () => {
   });
 
   it('should merge a PQ quantizer HNSW vectorIndexConfig with existing schema', () => {
-    const merged = MergeWithExisting.vectors(JSON.parse(JSON.stringify(hnswVectorConfig)), [
+    const merged = MergeWithExisting.vectors(deepCopy(hnswVectorConfig), [
       {
         name: 'name',
         vectorIndex: {
@@ -245,7 +261,7 @@ describe('Unit testing of the MergeWithExisting class', () => {
   });
 
   it('should merge a BQ quantizer HNSW vectorIndexConfig with existing schema', () => {
-    const merged = MergeWithExisting.vectors(JSON.parse(JSON.stringify(hnswVectorConfig)), [
+    const merged = MergeWithExisting.vectors(deepCopy(hnswVectorConfig), [
       {
         name: 'name',
         vectorIndex: {
@@ -280,7 +296,7 @@ describe('Unit testing of the MergeWithExisting class', () => {
   });
 
   it('should merge a SQ quantizer HNSW vectorIndexConfig with existing schema', () => {
-    const merged = MergeWithExisting.vectors(JSON.parse(JSON.stringify(hnswVectorConfig)), [
+    const merged = MergeWithExisting.vectors(deepCopy(hnswVectorConfig), [
       {
         name: 'name',
         vectorIndex: {
@@ -317,7 +333,7 @@ describe('Unit testing of the MergeWithExisting class', () => {
   });
 
   it('should merge a BQ quantizer Flat vectorIndexConfig with existing schema', () => {
-    const merged = MergeWithExisting.vectors(JSON.parse(JSON.stringify(flatVectorConfig)), [
+    const merged = MergeWithExisting.vectors(deepCopy(flatVectorConfig), [
       {
         name: 'name',
         vectorIndex: {
@@ -353,7 +369,7 @@ describe('Unit testing of the MergeWithExisting class', () => {
   });
 
   it('should merge full multi tenancy config with existing schema', () => {
-    const merged = MergeWithExisting.multiTenancy(JSON.parse(JSON.stringify(multiTenancyConfig)), {
+    const merged = MergeWithExisting.multiTenancy(deepCopy(multiTenancyConfig), {
       autoTenantActivation: true,
       autoTenantCreation: true,
     });
@@ -363,4 +379,36 @@ describe('Unit testing of the MergeWithExisting class', () => {
       autoTenantCreation: true,
     });
   });
+
+  it('should merge a generative config with existing schema', () => {
+    const merged = MergeWithExisting.generative(deepCopy(moduleConfig), {
+      name: 'generative-cohere',
+      config: {
+        kProperty: 0.2,
+      } as GenerativeCohereConfig,
+    });
+    expect(merged).toEqual({
+      ...moduleConfig,
+      'generative-cohere': {
+        ...(moduleConfig['generative-cohere'] as any),
+        kProperty: 0.2,
+      } as GenerativeCohereConfig,
+    });
+  });
+
+  it('should merge a reranker config with existing schema', () => {
+    const merged = MergeWithExisting.reranker(deepCopy(moduleConfig), {
+      name: 'reranker-cohere',
+      config: {
+        model: 'other',
+      } as RerankerCohereConfig,
+    });
+    expect(merged).toEqual({
+      ...moduleConfig,
+      'reranker-cohere': {
+        ...(moduleConfig['reranker-cohere'] as any),
+        model: 'other',
+      } as RerankerCohereConfig,
+    });
+  });
 });
diff --git a/src/collections/configure/index.ts b/src/collections/configure/index.ts
index 9619fe11..7a1ca15c 100644
--- a/src/collections/configure/index.ts
+++ b/src/collections/configure/index.ts
@@ -261,6 +261,8 @@ const reconfigure = {
       autoTenantCreation: options.autoTenantCreation,
     };
   },
+  generative: configure.generative,
+  reranker: configure.reranker,
 };
 
 export {