diff --git a/tool/actions-plan-preview/go.mod b/tool/actions-plan-preview/go.mod
index 8f32dabae2..61677f8627 100644
--- a/tool/actions-plan-preview/go.mod
+++ b/tool/actions-plan-preview/go.mod
@@ -6,17 +6,15 @@ require (
 	github.com/google/go-github/v36 v36.0.0
 	github.com/pipe-cd/pipecd v0.53.0
 	github.com/shurcooL/githubv4 v0.0.0-20220115235240-a14260e6f8a2
-	github.com/stretchr/testify v1.10.0
+	github.com/stretchr/testify v1.12.0
 	golang.org/x/oauth2 v0.30.0
 )
 
 require (
 	github.com/coreos/go-oidc/v3 v3.11.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.0.4 // indirect
 	github.com/go-jose/go-jose/v4 v4.0.5 // indirect
 	github.com/google/go-querystring v1.0.0 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/shurcooL/graphql v0.0.0-20200928012149-18c5c3165e3a // indirect
 	golang.org/x/crypto v0.52.0 // indirect
 	golang.org/x/net v0.54.0 // indirect
diff --git a/tool/actions-plan-preview/go.sum b/tool/actions-plan-preview/go.sum
index 4b4b107eb6..108ea04fba 100644
--- a/tool/actions-plan-preview/go.sum
+++ b/tool/actions-plan-preview/go.sum
@@ -1,7 +1,5 @@
 github.com/coreos/go-oidc/v3 v3.11.0 h1:Ia3MxdwpSw702YW0xgfmP1GVCMA9aEFWu12XUZ3/OtI=
 github.com/coreos/go-oidc/v3 v3.11.0/go.mod h1:gE3LgjOgFoHi9a4ce4/tJczr0Ai2/BoDhf0r5lltWI0=
-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/envoyproxy/protoc-gen-validate v1.0.4 h1:gVPz/FMfvh57HdSJQyvBtF00j8JU4zdyUgIUNhlgg0A=
 github.com/envoyproxy/protoc-gen-validate v1.0.4/go.mod h1:qys6tmnRsYrQqIhm2bvKZH4Blx/1gTIZ2UKVY1M+Yew=
 github.com/go-jose/go-jose/v4 v4.0.5 h1:M6T8+mKZl/+fNNuFHvGIzDz7BTLQPIounk/b9dw3AaE=
@@ -16,14 +14,12 @@ github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASu
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/pipe-cd/pipecd v0.53.0 h1:q6AiDhPFsS0enAehvn2UTVJMKfdnLDPB1BNo6Pr+FgQ=
 github.com/pipe-cd/pipecd v0.53.0/go.mod h1:BI0uxrpeuxcjFykL5+tnLc5DRd8v24Hm/it7fBOth6Y=
-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/shurcooL/githubv4 v0.0.0-20220115235240-a14260e6f8a2 h1:82EIpiGB79OIPgSGa63Oj4Ipf+YAX1c6A9qjmEYoRXc=
 github.com/shurcooL/githubv4 v0.0.0-20220115235240-a14260e6f8a2/go.mod h1:hAF0iLZy4td2EX+/8Tw+4nodhlMrwN3HupfaXj3zkGo=
 github.com/shurcooL/graphql v0.0.0-20200928012149-18c5c3165e3a h1:KikTa6HtAK8cS1qjvUvvq4QO21QnwC+EfvB+OAuZ/ZU=
 github.com/shurcooL/graphql v0.0.0-20200928012149-18c5c3165e3a/go.mod h1:AuYgA5Kyo4c7HfUmvRGs/6rGlMMV/6B1bVnB9JxJEEg=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.12.0 h1:K6Mr6jO9JICuend/5xzTM03ydSV3vdNRYAdPSukj8uI=
+github.com/stretchr/testify v1.12.0/go.mod h1:bOYBZb5qJ00vPzWfIqBUZPaxK8jWiXc6d3ErP4Ca9Gw=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.52.0 h1:RMs7fP2rXdep0CftQlK8Uf+kibLm7qkCcradZWYz988=
 golang.org/x/crypto v0.52.0/go.mod h1:1QgfPxDqh0T2M/elOJtp9RvuR95kVjir0e6/BvEmGbc=