diff --git a/lambda/requirements-deploy.txt b/lambda/requirements-deploy.txt
index dce9105..16463eb 100644
--- a/lambda/requirements-deploy.txt
+++ b/lambda/requirements-deploy.txt
@@ -1,4 +1,4 @@
-aws_kinesis_agg==1.1.2
+aws_kinesis_agg==1.2.3
 aws-xray-sdk==2.4.3
 python-dateutil==2.8.1
 amazon-kinesis-utils==0.1.8
diff --git a/lambda/requirements.txt b/lambda/requirements.txt
index 1656281..4903dfa 100644
--- a/lambda/requirements.txt
+++ b/lambda/requirements.txt
@@ -1,6 +1,6 @@
 boto3 # pyup: ignore
 
-aws_kinesis_agg==1.1.2
+aws_kinesis_agg==1.2.3
 aws-xray-sdk==2.4.3
 python-dateutil==2.8.1
 amazon-kinesis-utils==0.1.8