diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 5099e90815..6617fc0e1e 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -251,6 +251,7 @@ functions:
         script: |
           ${PREPARE_SHELL}
           cd ${DRIVERS_TOOLS}/.evergreen/auth_aws
+          . ./activate_venv.sh
           ${MONGODB_BINARIES}/mongo aws_e2e_regular_aws.js
     - command: shell.exec
       type: test
@@ -279,6 +280,7 @@ functions:
         script: |
           ${PREPARE_SHELL}
           cd ${DRIVERS_TOOLS}/.evergreen/auth_aws
+          . ./activate_venv.sh
           ${MONGODB_BINARIES}/mongo aws_e2e_assume_role.js
     - command: shell.exec
       type: test
@@ -311,6 +313,7 @@ functions:
         script: |
           ${PREPARE_SHELL}
           cd ${DRIVERS_TOOLS}/.evergreen/auth_aws
+          . ./activate_venv.sh
           ${MONGODB_BINARIES}/mongo aws_e2e_ec2.js
     - command: shell.exec
       type: test
@@ -383,6 +386,7 @@ functions:
           EOF
 
           cat setup.js
+          . ./activate_venv.sh
           mongo --nodb setup.js aws_e2e_ecs.js
   run-ocsp-test:
     - command: shell.exec
diff --git a/.evergreen/config.yml.in b/.evergreen/config.yml.in
index 1c0bc712a2..fc2e7581e2 100644
--- a/.evergreen/config.yml.in
+++ b/.evergreen/config.yml.in
@@ -282,6 +282,7 @@ functions:
         script: |
           ${PREPARE_SHELL}
           cd ${DRIVERS_TOOLS}/.evergreen/auth_aws
+          . ./activate_venv.sh
           ${MONGODB_BINARIES}/mongo aws_e2e_regular_aws.js
     - command: shell.exec
       type: test
@@ -311,6 +312,7 @@ functions:
         script: |
           ${PREPARE_SHELL}
           cd ${DRIVERS_TOOLS}/.evergreen/auth_aws
+          . ./activate_venv.sh
           ${MONGODB_BINARIES}/mongo aws_e2e_assume_role.js
     - command: shell.exec
       type: test
@@ -344,6 +346,7 @@ functions:
         script: |
           ${PREPARE_SHELL}
           cd ${DRIVERS_TOOLS}/.evergreen/auth_aws
+          . ./activate_venv.sh
           ${MONGODB_BINARIES}/mongo aws_e2e_ec2.js
     - command: shell.exec
       type: test
@@ -419,6 +422,7 @@ functions:
           EOF
 
           cat setup.js
+          . ./activate_venv.sh
           mongo --nodb setup.js aws_e2e_ecs.js
 
   "run-ocsp-test":
diff --git a/.evergreen/run-mongodb-aws-ecs-test.sh b/.evergreen/run-mongodb-aws-ecs-test.sh
index 54989bfe42..baf933bca0 100755
--- a/.evergreen/run-mongodb-aws-ecs-test.sh
+++ b/.evergreen/run-mongodb-aws-ecs-test.sh
@@ -16,5 +16,5 @@ export NVM_DIR="${PROJECT_DIRECTORY}/node-artifacts/nvm"
 set -x
 
 # run the tests
-npm install aws4 
+npm install aws4
 MONGODB_URI=$MONGODB_URI MONGODB_UNIFIED_TOPOLOGY=1 npx mocha test/functional/mongodb_aws.test.js