diff --git a/internal/handlers/api.go b/internal/handlers/api.go
index 047b6d7..6667906 100644
--- a/internal/handlers/api.go
+++ b/internal/handlers/api.go
@@ -1,6 +1,7 @@
 package handlers
 
 import (
+	"context"
 	"encoding/json"
 	"net/http"
 	"strconv"
@@ -344,7 +345,11 @@ func (h *Handlers) HandleAPITriggerDeploy() http.HandlerFunc {
 			return
 		}
 
-		deployErr := h.deploy.Deploy(request.Context(), application, nil, true)
+		// Use a detached context so the deployment continues even if the
+		// HTTP client disconnects.
+		deployCtx := context.WithoutCancel(request.Context())
+
+		deployErr := h.deploy.Deploy(deployCtx, application, nil, true)
 		if deployErr != nil {
 			h.log.Error("api: failed to trigger deploy", "error", deployErr)
 			h.respondJSON(writer, request,