diff --git a/cmd/gogit/verify-pack.go b/cmd/gogit/verify-pack.go
index 913ece8..2fbb172 100644
--- a/cmd/gogit/verify-pack.go
+++ b/cmd/gogit/verify-pack.go
@@ -165,7 +165,17 @@ func openPack(path string) (billy.File, billy.File, error) {
 
 		fixture := f.One()
 
-		return fixture.Idx(), fixture.Packfile(), nil
+		idxFile, err := fixture.Idx()
+		if err != nil {
+			return nil, nil, fmt.Errorf("failed to open fixture index: %w", err)
+		}
+
+		packFile, err := fixture.Packfile()
+		if err != nil {
+			return nil, nil, fmt.Errorf("failed to open fixture packfile: %w", err)
+		}
+
+		return idxFile, packFile, nil
 	}
 
 	idxPath := path
diff --git a/go.mod b/go.mod
index bcc9c6c..dcab4c1 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,8 @@ go 1.24.0
 toolchain go1.25.4
 
 require (
-	github.com/go-git/go-billy/v6 v6.0.0-20260114122816-19306b749ecc
-	github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260207212403-7b71b9a390be
+	github.com/go-git/go-billy/v6 v6.0.0-20260226131633-45bd0956d66f
+	github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260328065819-eda62fa02f83
 	github.com/go-git/go-git/v6 v6.0.0-20260114124804-a8db3a6585a6
 	github.com/spf13/cobra v1.10.2
 	golang.org/x/crypto v0.48.0
diff --git a/go.sum b/go.sum
index 7f792af..c515da3 100644
--- a/go.sum
+++ b/go.sum
@@ -20,10 +20,10 @@ github.com/gliderlabs/ssh v0.3.8 h1:a4YXD1V7xMF9g5nTkdfnja3Sxy1PVDCj1Zg4Wb8vY6c=
 github.com/gliderlabs/ssh v0.3.8/go.mod h1:xYoytBv1sV0aL3CavoDuJIQNURXkkfPA/wxQ1pL1fAU=
 github.com/go-git/gcfg/v2 v2.0.2 h1:MY5SIIfTGGEMhdA7d7JePuVVxtKL7Hp+ApGDJAJ7dpo=
 github.com/go-git/gcfg/v2 v2.0.2/go.mod h1:/lv2NsxvhepuMrldsFilrgct6pxzpGdSRC13ydTLSLs=
-github.com/go-git/go-billy/v6 v6.0.0-20260114122816-19306b749ecc h1:rhkjrnRkamkRC7woapp425E4CAH6RPcqsS9X8LA93IY=
-github.com/go-git/go-billy/v6 v6.0.0-20260114122816-19306b749ecc/go.mod h1:X1oe0Z2qMsa9hkar3AAPuL9hu4Mi3ztXEjdqRhr6fcc=
-github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260207212403-7b71b9a390be h1:99rlepX9pwoqZQ0AzdJLRPinQLZ9QdkOScfkhY/GHYA=
-github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260207212403-7b71b9a390be/go.mod h1:xKt0pNHST9tYHvbiLxSY27CQWFwgIxBJuDrOE0JvbZw=
+github.com/go-git/go-billy/v6 v6.0.0-20260226131633-45bd0956d66f h1:Uvbx7nITO3Sd1GdXarX0TbyYmOaSNIJP0mm4LocEyyA=
+github.com/go-git/go-billy/v6 v6.0.0-20260226131633-45bd0956d66f/go.mod h1:ZW9JC5gionMP1kv5uiaOaV23q0FFmNrVOV8VW+y/acc=
+github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260328065819-eda62fa02f83 h1:it9grfcwKdquCxdiX9YauP7FGZIhjA7X0a/Za36TqVs=
+github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260328065819-eda62fa02f83/go.mod h1:YvXSvVfFPFrsP+e92xpajmPzlA7kPhhaLkwkve57UVk=
 github.com/go-git/go-git/v6 v6.0.0-20260114124804-a8db3a6585a6 h1:Yo1MlE8LpvD0pr7mZ04b6hKZKQcPvLrQFgyY1jNMEyU=
 github.com/go-git/go-git/v6 v6.0.0-20260114124804-a8db3a6585a6/go.mod h1:enMzPHv+9hL4B7tH7OJGQKNzCkMzXovUoaiXfsLF7Xs=
 github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 h1:f+oWsMOmNPc8JmEHVZIycC7hBoQxHH9pNKQORJNozsQ=