diff --git a/docs/extensions.md b/docs/extensions.md
index 6001e7abc..92adb902e 100644
--- a/docs/extensions.md
+++ b/docs/extensions.md
@@ -10,6 +10,7 @@ Below is a list of supported extensions with links to their documentation pages.
 | Authenticator - OIDC Extension            | [oidcauthextension](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.109.0/extension/oidcauthextension/README.md)                 |
 | BindPlane Extension                       | [bindplaneextension](../extension/bindplaneextension/README.md)                                                                                           |
 | File Storage Extension                    | [filestorage](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.109.0/extension/storage/filestorage/README.md)                     |
+| Headers Setter Extension                    | [headerssetterextension](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.109.0/extension/headerssetterextension/README.md)   |
 | Health Check Extension                    | [healthcheckextension](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.109.0/extension/healthcheckextension/README.md)           |
 | Performance Profiler Extension            | [pprofextension](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.109.0/extension/pprofextension/README.md)                       |
 | Sigv4 Authenticator Extension             | [sigv4authextension](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.109.0/extension/sigv4authextension/README.md)               |
diff --git a/factories/extensions.go b/factories/extensions.go
index 8625732ab..855ee60e9 100644
--- a/factories/extensions.go
+++ b/factories/extensions.go
@@ -17,6 +17,7 @@ package factories
 import (
 	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/basicauthextension"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/bearertokenauthextension"
+	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/headerssetterextension"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/healthcheckextension"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/oauth2clientauthextension"
 	"github.com/open-telemetry/opentelemetry-collector-contrib/extension/oidcauthextension"
@@ -33,6 +34,7 @@ var defaultExtensions = []extension.Factory{
 	bearertokenauthextension.NewFactory(),
 	extensiontest.NewNopFactory(),
 	filestorage.NewFactory(),
+	headerssetterextension.NewFactory(),
 	healthcheckextension.NewFactory(),
 	oauth2clientauthextension.NewFactory(),
 	oidcauthextension.NewFactory(),
diff --git a/go.mod b/go.mod
index 8a3d2419c..ac33374d2 100644
--- a/go.mod
+++ b/go.mod
@@ -71,6 +71,7 @@ require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/exporter/zipkinexporter v0.109.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/extension/basicauthextension v0.109.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/extension/bearertokenauthextension v0.109.0
+	github.com/open-telemetry/opentelemetry-collector-contrib/extension/headerssetterextension v0.109.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/extension/healthcheckextension v0.109.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/extension/oauth2clientauthextension v0.109.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/extension/oidcauthextension v0.109.0
diff --git a/go.sum b/go.sum
index 6f2f14d99..62511e54b 100644
--- a/go.sum
+++ b/go.sum
@@ -1984,6 +1984,8 @@ github.com/open-telemetry/opentelemetry-collector-contrib/extension/encoding v0.
 github.com/open-telemetry/opentelemetry-collector-contrib/extension/encoding v0.109.0/go.mod h1:pYD2hFzbXdGy8DRap60WTXlMNkcF7b3vyd37mctxhB8=
 github.com/open-telemetry/opentelemetry-collector-contrib/extension/encoding/otlpencodingextension v0.109.0 h1:u65BxxXX9tAqjwFnvwL7yqKWHiOFDHG9jKM0UthAL18=
 github.com/open-telemetry/opentelemetry-collector-contrib/extension/encoding/otlpencodingextension v0.109.0/go.mod h1:UKEwVBxPn/wRMKelq+9pdYlnkVFQ8h8yh5c8k2tRjNU=
+github.com/open-telemetry/opentelemetry-collector-contrib/extension/headerssetterextension v0.109.0 h1:rrI9AIbDLWuY+vyeDp0OcblGoSvTtYyTuk5MZaD5/dU=
+github.com/open-telemetry/opentelemetry-collector-contrib/extension/headerssetterextension v0.109.0/go.mod h1:QBUNM2axJagDv2rzqQDDKgR9IKHjZwIrvIjI4JQtYI4=
 github.com/open-telemetry/opentelemetry-collector-contrib/extension/healthcheckextension v0.109.0 h1:/DYYZTFiMLxmx2XKzCepDT/VDv3u9gIgdzUQvdL2gtM=
 github.com/open-telemetry/opentelemetry-collector-contrib/extension/healthcheckextension v0.109.0/go.mod h1:ydMgguz0dLWUQnIK3ogZQaoFKXGeLI37KqAtpsJAI6s=
 github.com/open-telemetry/opentelemetry-collector-contrib/extension/oauth2clientauthextension v0.109.0 h1:5zpJ523M+GElwJ0BFwYJ1UVD53M+Xswn5fjPMYCvG1I=