diff --git a/internal/proxy/oauthproxy.go b/internal/proxy/oauthproxy.go
index 5445f8e5..ecf1b84f 100755
--- a/internal/proxy/oauthproxy.go
+++ b/internal/proxy/oauthproxy.go
@@ -39,6 +39,7 @@ var SignatureHeaders = []string{
 	"X-Forwarded-User",
 	"X-Forwarded-Email",
 	"X-Forwarded-Groups",
+	"X-Forwarded-Access-Token",
 	"Cookie",
 }
 
diff --git a/internal/proxy/request_signer.go b/internal/proxy/request_signer.go
index 1fb53df2..95d5d612 100644
--- a/internal/proxy/request_signer.go
+++ b/internal/proxy/request_signer.go
@@ -27,6 +27,7 @@ var signedHeaders = []string{
 	"X-Forwarded-User",
 	"X-Forwarded-Email",
 	"X-Forwarded-Groups",
+	"X-Forwarded-Access-Token",
 	"Cookie",
 }