diff --git a/packages/envd/internal/services/process/handler/multiplex.go b/packages/envd/internal/services/process/handler/multiplex.go
index 131f097981..ff699812db 100644
--- a/packages/envd/internal/services/process/handler/multiplex.go
+++ b/packages/envd/internal/services/process/handler/multiplex.go
@@ -1,6 +1,7 @@
 package handler
 
 import (
+	"slices"
 	"sync"
 	"sync/atomic"
 )
@@ -128,7 +129,8 @@ func (m *MultiplexedChannel[T]) remove(s *subscriber[T]) {
 
 	for i, sub := range m.channels {
 		if sub == s {
-			m.channels = append(m.channels[:i], m.channels[i+1:]...)
+			// New backing array so run()'s concurrent iteration is safe.
+			m.channels = slices.Concat(m.channels[:i], m.channels[i+1:])
 
 			return
 		}
diff --git a/packages/envd/pkg/version.go b/packages/envd/pkg/version.go
index a5ccaf4cab..e251abd82f 100644
--- a/packages/envd/pkg/version.go
+++ b/packages/envd/pkg/version.go
@@ -1,3 +1,3 @@
 package pkg
 
-const Version = "0.5.17"
+const Version = "0.5.18"