diff --git a/go.mod b/go.mod
index c26bc11..2f6461b 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/buildpacks/github-actions
 
 go 1.23.0
 
-toolchain go1.23.4
+toolchain go1.23.5
 
 require (
 	github.com/buildpacks/libcnb v1.30.4
@@ -34,7 +34,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
-	github.com/vbatts/tar-split v0.11.7 // indirect
+	github.com/vbatts/tar-split v0.12.1 // indirect
 	golang.org/x/crypto v0.32.0 // indirect
 	golang.org/x/net v0.34.0 // indirect
 	golang.org/x/sync v0.10.0 // indirect
diff --git a/go.sum b/go.sum
index 279aee4..a89d3e8 100644
--- a/go.sum
+++ b/go.sum
@@ -71,8 +71,8 @@ github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 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/vbatts/tar-split v0.11.7 h1:ixZ93pO/GmvaZw4Vq9OwmfZK/kc2zKdPfu0B+gYqs3U=
-github.com/vbatts/tar-split v0.11.7/go.mod h1:eF6B6i6ftWQcDqEn3/iGFRFRo8cBIMSJVOpnNdfTMFA=
+github.com/vbatts/tar-split v0.12.1 h1:CqKoORW7BUWBe7UL/iqTVvkTBOF8UvOMKOIZykxnnbo=
+github.com/vbatts/tar-split v0.12.1/go.mod h1:eF6B6i6ftWQcDqEn3/iGFRFRo8cBIMSJVOpnNdfTMFA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=