diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 59704052edb..177aa08e4d6 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -1707,7 +1707,7 @@ tasks:
       - func: bootstrap kms servers
       - func: run custom csfle tests
         vars:
-          CSFLE_GIT_REF: 41afd44ca04d246998969c53de4e0f22802b0c8a
+          CSFLE_GIT_REF: 4e4613a0e725a8ba10f2c6ce8bff666e2f184549
   - name: run-custom-csfle-tests-5.0-master
     tags:
       - run-custom-dependency-tests
@@ -1737,7 +1737,7 @@ tasks:
       - func: bootstrap kms servers
       - func: run custom csfle tests
         vars:
-          CSFLE_GIT_REF: 41afd44ca04d246998969c53de4e0f22802b0c8a
+          CSFLE_GIT_REF: 4e4613a0e725a8ba10f2c6ce8bff666e2f184549
   - name: run-custom-csfle-tests-rapid-master
     tags:
       - run-custom-dependency-tests
@@ -1767,7 +1767,7 @@ tasks:
       - func: bootstrap kms servers
       - func: run custom csfle tests
         vars:
-          CSFLE_GIT_REF: 41afd44ca04d246998969c53de4e0f22802b0c8a
+          CSFLE_GIT_REF: 4e4613a0e725a8ba10f2c6ce8bff666e2f184549
   - name: run-custom-csfle-tests-latest-master
     tags:
       - run-custom-dependency-tests
diff --git a/.evergreen/generate_evergreen_tasks.js b/.evergreen/generate_evergreen_tasks.js
index 905ddb8606b..773a6343529 100644
--- a/.evergreen/generate_evergreen_tasks.js
+++ b/.evergreen/generate_evergreen_tasks.js
@@ -550,7 +550,7 @@ const oneOffFuncAsTasks = oneOffFuncs.map(oneOffFunc => ({
 }));
 
 [ '5.0', 'rapid', 'latest' ].forEach(version => {
-  [ '41afd44ca04d246998969c53de4e0f22802b0c8a', 'master' ].forEach(ref => {
+  [ '4e4613a0e725a8ba10f2c6ce8bff666e2f184549', 'master' ].forEach(ref => {
     oneOffFuncAsTasks.push({
       name: `run-custom-csfle-tests-${version}-${ref === 'master' ? ref : 'pinned-commit'}`,
       tags: ['run-custom-dependency-tests'],
diff --git a/src/bson.ts b/src/bson.ts
index 42d9ab08d59..8a6133f2adf 100644
--- a/src/bson.ts
+++ b/src/bson.ts
@@ -6,6 +6,7 @@ import type {
   SerializeOptions
 } from 'bson';
 
+/** @internal */
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 let BSON = require('bson');
 
@@ -39,6 +40,9 @@ export {
   Timestamp
 } from 'bson';
 
+/** @internal */
+export { BSON };
+
 /**
  * BSON Serialization options.
  * @public
diff --git a/src/index.ts b/src/index.ts
index f6370884670..19df2ff7313 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -13,6 +13,8 @@ import { MongoClient } from './mongo_client';
 import { CancellationToken } from './mongo_types';
 import { PromiseProvider } from './promise_provider';
 
+/** @internal */
+export { BSON } from './bson';
 export {
   Binary,
   BSONRegExp,