diff --git a/cloudformation/continuous-integration-branch-checks.yml b/cloudformation/continuous-integration-branch-checks.yml
index dbb822c..c3e796b 100644
--- a/cloudformation/continuous-integration-branch-checks.yml
+++ b/cloudformation/continuous-integration-branch-checks.yml
@@ -160,7 +160,7 @@ Resources:
     Type: 'AWS::Serverless::Function'
     Properties:
       Handler: slack_notifications.handler
-      Runtime: nodejs10.x
+      Runtime: nodejs14.x
       CodeUri: ../ci_tools
       Description: >-
         Sends message to Slack channel when branch-check builds fail
diff --git a/cloudformation/continuous-integration-nightly-checks.yml b/cloudformation/continuous-integration-nightly-checks.yml
index 5185a8c..cc7ca43 100644
--- a/cloudformation/continuous-integration-nightly-checks.yml
+++ b/cloudformation/continuous-integration-nightly-checks.yml
@@ -151,7 +151,7 @@ Resources:
     Type: 'AWS::Serverless::Function'
     Properties:
       Handler: email_notifications.handler
-      Runtime: nodejs10.x
+      Runtime: nodejs14.x
       CodeUri: ../ci_tools
       Description: >-
         Sends emails when builds fail
diff --git a/cloudformation/continuous-integration-pull-request-checks.yml b/cloudformation/continuous-integration-pull-request-checks.yml
index 02cae7d..32fe98d 100644
--- a/cloudformation/continuous-integration-pull-request-checks.yml
+++ b/cloudformation/continuous-integration-pull-request-checks.yml
@@ -202,7 +202,7 @@ Resources:
     Type: 'AWS::Serverless::Function'
     Properties:
       Handler: codecommit_pr_notifications.handler
-      Runtime: nodejs10.x
+      Runtime: nodejs14.x
       CodeUri: ../ci_tools
       Description: >-
         Comment on the CodeCommit pull request when a build is triggered and when it completes