diff --git a/build-constraints.yaml b/build-constraints.yaml
index fcc1ba7b..87c2af1d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1089,13 +1089,11 @@ packages:
         - amazonka-importexport
         - amazonka-inspector
         - amazonka-iot-dataplane
-        # https://github.com/fpco/stackage/issues/1568
-        # - amazonka-iot
+        - amazonka-iot
         - amazonka-kinesis
         - amazonka-kinesis-firehose
         - amazonka-kms
-        # https://github.com/fpco/stackage/issues/1568
-        # - amazonka-lambda
+        - amazonka-lambda
         - amazonka-marketplace-analytics
         - amazonka-marketplace-metering
         - amazonka-ml