diff --git a/LambdaRuntimeDockerfiles/Images/net8/amd64/Dockerfile b/LambdaRuntimeDockerfiles/Images/net8/amd64/Dockerfile
index 7bae312b5..1690f3200 100644
--- a/LambdaRuntimeDockerfiles/Images/net8/amd64/Dockerfile
+++ b/LambdaRuntimeDockerfiles/Images/net8/amd64/Dockerfile
@@ -1,7 +1,7 @@
 # Based on Docker image from: https://github.com/dotnet/dotnet-docker/
 
-ARG ASPNET_VERSION=8.0.17
-ARG ASPNET_SHA512=b292dea52f70035bb7ccc82c1ed908fb084753eb08f662c7bb2e9206e22f396aa611db6573e827d5c5cff21590810b66eae0ead9b534bc3f8fc695f65f47f28f
+ARG ASPNET_VERSION=8.0.18
+ARG ASPNET_SHA512=896e9cab7c3ea5384c174e7e2cffae3c7f8f9ed5d6d2b7434b5a2b0dc3f02b611ff8668f5d70c0b356a6a5d85a28fe40756cf356b168d0306370da11646b4b23
 
 ARG LAMBDA_RUNTIME_NAME=dotnet8
 ARG AMAZON_LINUX=public.ecr.aws/lambda/provided:al2023
diff --git a/LambdaRuntimeDockerfiles/Images/net8/arm64/Dockerfile b/LambdaRuntimeDockerfiles/Images/net8/arm64/Dockerfile
index 8311e5f1c..a22262ccd 100644
--- a/LambdaRuntimeDockerfiles/Images/net8/arm64/Dockerfile
+++ b/LambdaRuntimeDockerfiles/Images/net8/arm64/Dockerfile
@@ -1,7 +1,7 @@
 # Based on Docker image from: https://github.com/dotnet/dotnet-docker/
 
-ARG ASPNET_VERSION=8.0.17
-ARG ASPNET_SHA512=4f1a441e400b60f814a161d2718c2599b4d492fffe5df5a5d8a494cec553ad3574c0988e9dc49abf8c928b9e9783a86f5506cbcbdf12d24e562090969aced3c5
+ARG ASPNET_VERSION=8.0.18
+ARG ASPNET_SHA512=997ce36180503fbd4dd86ed43b533f618be1db7cf170f500d0d12f899adff22e5b7714942aa2513eece6c12224761c143fbc91d6e97d83cccaed8a811ebcd835
 
 ARG LAMBDA_RUNTIME_NAME=dotnet8
 ARG AMAZON_LINUX=public.ecr.aws/lambda/provided:al2023