diff --git a/api/requirements.txt b/api/requirements.txt
index 9f08ce9..6cd9618 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -10,7 +10,7 @@ botocore==1.25.7
     # via
     #   boto3
     #   s3transfer
-dynamodb-json==1.3
+dynamodb-json==1.4.2
     # via -r requirements.in
 jmespath==1.0.0
     # via
diff --git a/app/requirements.txt b/app/requirements.txt
index dfdd3cb..42a419b 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -13,7 +13,7 @@ botocore==1.24.25
     #   -r requirements.in
     #   boto3
     #   s3transfer
-dynamodb-json==1.3
+dynamodb-json==1.4.2
     # via -r requirements.in
 func-timeout==4.3.5
     # via -r requirements.in