diff --git a/go.mod b/go.mod
index fe51142..2935783 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/monitoring-forge/check-diff
 go 1.25.0
 
 require (
-	github.com/jessevdk/go-flags v1.6.1
+	github.com/jessevdk/go-flags v1.6.1 // indirect
 	github.com/mackerelio/checkers v0.2.1
 )
 
@@ -11,7 +11,7 @@ require github.com/cubicdaiya/gonp v1.0.4
 
 require (
 	github.com/mackerelio/golib v1.2.2
-	github.com/monitoring-forge/flagrun v0.0.7
+	github.com/monitoring-forge/flagrun v0.0.8
 	github.com/monitoring-forge/saferio v0.0.2
 	golang.org/x/sys v0.47.0 // indirect
 )
diff --git a/go.sum b/go.sum
index e3872e2..ef8f85c 100644
--- a/go.sum
+++ b/go.sum
@@ -1,14 +1,22 @@
 github.com/cubicdaiya/gonp v1.0.4 h1:ky2uIAJh81WiLcGKBVD5R7KsM/36W6IqqTy6Bo6rGws=
 github.com/cubicdaiya/gonp v1.0.4/go.mod h1:iWGuP/7+JVTn02OWhRemVbMmG1DOUnmrGTYYACpOI0I=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/jessevdk/go-flags v1.6.1 h1:Cvu5U8UGrLay1rZfv/zP7iLpSHGUZ/Ou68T0iX1bBK4=
 github.com/jessevdk/go-flags v1.6.1/go.mod h1:Mk8T1hIAWpOiJiHa9rJASDK2UGWji0EuPGBnNLMooyc=
 github.com/mackerelio/checkers v0.2.1 h1:vRXzAT+CEyaLjSrHVxKUBjyWq1kfo8QcI8ZoSKZATQs=
 github.com/mackerelio/checkers v0.2.1/go.mod h1:CW3k/5bvHhxDrfKgWvMvNH0R51zco141ZVxlI7o/KAc=
 github.com/mackerelio/golib v1.2.2 h1:fQfW1o2KvPyIsAH/7+M2J0gpf2jLu+NyYpDCN79zxW4=
 github.com/mackerelio/golib v1.2.2/go.mod h1:itcSOfrsT5XvkzflFPebT43RrliaKDz2T6YGYt3jclw=
-github.com/monitoring-forge/flagrun v0.0.7 h1:6UpM8waZzN0KiZJJ2xHP64TncdmMKHE6W2HBxJwhAZA=
-github.com/monitoring-forge/flagrun v0.0.7/go.mod h1:yAwxGIEx81wU4JOMp6hz7SdSYWgT/Hr4JXEdHlEn1mw=
+github.com/monitoring-forge/flagrun v0.0.8 h1:CEoMMdFpZ4KOTiBy2mAUQtlgFsTqpvpEoLjzanDgEtw=
+github.com/monitoring-forge/flagrun v0.0.8/go.mod h1:yAwxGIEx81wU4JOMp6hz7SdSYWgT/Hr4JXEdHlEn1mw=
 github.com/monitoring-forge/saferio v0.0.2 h1:DJ4D4e7tBuMze4Ez7N7l7pGPAJ/oFsC0mwh+dg5UkwE=
 github.com/monitoring-forge/saferio v0.0.2/go.mod h1:N2nfAMrgYrax2CdwKIIWIjy5tIrlQFtJJWzKess30KY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
 golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=