diff --git a/cmd/trickster/main.go b/cmd/trickster/main.go
index d064008ee..d1803190e 100644
--- a/cmd/trickster/main.go
+++ b/cmd/trickster/main.go
@@ -33,7 +33,7 @@ var (
 
 const (
 	applicationName    = "trickster"
-	applicationVersion = "1.1.4"
+	applicationVersion = "1.1.5"
 )
 
 var fatalStartupErrors = true
diff --git a/pkg/proxy/origins/clickhouse/handler_health.go b/pkg/proxy/origins/clickhouse/handler_health.go
index 75be20ea9..481337431 100644
--- a/pkg/proxy/origins/clickhouse/handler_health.go
+++ b/pkg/proxy/origins/clickhouse/handler_health.go
@@ -49,7 +49,7 @@ func (c *Client) HealthHandler(w http.ResponseWriter, r *http.Request) {
 	rsc := request.GetResources(r)
 	req = req.WithContext(tctx.WithHealthCheckFlag(tctx.WithResources(context.Background(), rsc), true))
 
-	req.Header = c.healthHeaders
+	req.Header = c.healthHeaders.Clone()
 	engines.DoProxy(w, req, true)
 
 }
diff --git a/pkg/proxy/origins/irondb/handler_health.go b/pkg/proxy/origins/irondb/handler_health.go
index dcb8e0f4c..6045ef7cf 100644
--- a/pkg/proxy/origins/irondb/handler_health.go
+++ b/pkg/proxy/origins/irondb/handler_health.go
@@ -43,7 +43,7 @@ func (c *Client) HealthHandler(w http.ResponseWriter, r *http.Request) {
 	rsc := request.GetResources(r)
 	req = req.WithContext(tctx.WithHealthCheckFlag(tctx.WithResources(context.Background(), rsc), true))
 
-	req.Header = c.healthHeaders
+	req.Header = c.healthHeaders.Clone()
 	engines.DoProxy(w, req, true)
 
 }
diff --git a/pkg/proxy/origins/prometheus/handler_health.go b/pkg/proxy/origins/prometheus/handler_health.go
index 5c6015b11..76b488fb8 100644
--- a/pkg/proxy/origins/prometheus/handler_health.go
+++ b/pkg/proxy/origins/prometheus/handler_health.go
@@ -45,7 +45,7 @@ func (c *Client) HealthHandler(w http.ResponseWriter, r *http.Request) {
 	rsc := request.GetResources(r)
 	req = req.WithContext(tctx.WithHealthCheckFlag(tctx.WithResources(context.Background(), rsc), true))
 
-	req.Header = c.healthHeaders
+	req.Header = c.healthHeaders.Clone()
 	engines.DoProxy(w, req, true)
 }
 
diff --git a/pkg/proxy/origins/reverseproxycache/handler_health.go b/pkg/proxy/origins/reverseproxycache/handler_health.go
index f41d25293..259b3c1a5 100644
--- a/pkg/proxy/origins/reverseproxycache/handler_health.go
+++ b/pkg/proxy/origins/reverseproxycache/handler_health.go
@@ -44,7 +44,7 @@ func (c *Client) HealthHandler(w http.ResponseWriter, r *http.Request) {
 	rsc := request.GetResources(r)
 	req = req.WithContext(tctx.WithHealthCheckFlag(tctx.WithResources(context.Background(), rsc), true))
 
-	req.Header = c.healthHeaders
+	req.Header = c.healthHeaders.Clone()
 	engines.DoProxy(w, req, true)
 }