diff --git a/pkg/kernelrelease/kernelrelease.go b/pkg/kernelrelease/kernelrelease.go
index c7f9e3ec..55ab249f 100644
--- a/pkg/kernelrelease/kernelrelease.go
+++ b/pkg/kernelrelease/kernelrelease.go
@@ -11,7 +11,7 @@ import (
 )
 
 var (
-	kernelVersionPattern = regexp.MustCompile(`(?P<fullversion>^(?P<version>0|[1-9]\d*)\.(?P<patchlevel>0|[1-9]\d*)\.(?P<sublevel>0|[1-9]\d*))(?P<fullextraversion>[-|.](?P<extraversion>0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(\.(0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-_]*))*)?(\+[0-9a-zA-Z-]+(\.[0-9a-zA-Z-]+)*)?$`)
+	kernelVersionPattern = regexp.MustCompile(`(?P<fullversion>^(?P<version>0|[1-9]\d*)\.(?P<patchlevel>0|[1-9]\d*)\.(?P<sublevel>0|[1-9]\d*))(?P<fullextraversion>[-|.](?P<extraversion>0|[1-9]\d*|\d*[a-zA-Z-~][0-9a-zA-Z-]*)(\.(0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-_]*))*)?(\+[0-9a-zA-Z-]+(\.[0-9a-zA-Z-]+)*)?$`)
 )
 
 const (