diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2f5c69..3850ac8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Golang Module Release Notes
 
+## 1.14.1 2025-03-17
+* Run `scripts/build.sh` in a Docker image (in `make build`) so that it works on MacOS.
+
 ## 1.14.0 2024-11-18
 
 * Allow the agent to edit application response headers
diff --git a/Makefile b/Makefile
index c966a87..f8b170c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 build: ## build and lint locally
-	./scripts/build.sh
+	docker run --rm -v "$(CURDIR):/temp" -w /temp golang:1.23 ./scripts/build.sh
 
 # clean up each time to make sure nothing is cached between runs
 #
diff --git a/responsewriter.go b/responsewriter.go
index 761a7c4..eb1ab25 100644
--- a/responsewriter.go
+++ b/responsewriter.go
@@ -81,6 +81,8 @@ func (w *responseRecorder) WriteHeader(status int) {
 	w.base.WriteHeader(status)
 }
 
+// Merge in our header modifications using the appropriate functions in
+// the Header type in net/http
 func (w *responseRecorder) mergeHeader() {
 	hdr := w.base.Header()
 	for _, a := range w.actions {