diff --git a/go.mod b/go.mod
index 82bb5d3cff3..27350eb1b8e 100644
--- a/go.mod
+++ b/go.mod
@@ -45,7 +45,7 @@ require (
 	github.com/sigstore/sigstore/pkg/signature/kms/aws v1.9.4
 	github.com/sigstore/sigstore/pkg/signature/kms/azure v1.9.4
 	github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.9.4
-	github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.8.15
+	github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.9.4
 	go.opentelemetry.io/otel v1.35.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.34.0
 	go.opentelemetry.io/otel/sdk v1.35.0
diff --git a/go.sum b/go.sum
index 41c1d9b2653..5e725315d7a 100644
--- a/go.sum
+++ b/go.sum
@@ -993,8 +993,8 @@ github.com/sigstore/sigstore/pkg/signature/kms/azure v1.9.4 h1:MHRm7YQuF4zFyoXRL
 github.com/sigstore/sigstore/pkg/signature/kms/azure v1.9.4/go.mod h1:899VNYSSnQ0QtcuhkW0gznzxn0cqhowTL3nzc/xnym8=
 github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.9.4 h1:C2nSyTmTxpuamUmLCWWZwz+0Y1IQIig9XwAJ4UAn/SI=
 github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.9.4/go.mod h1:vjDahU0sEw/WMkKkygZNH72EMg86iaFNLAaJFXhItXU=
-github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.8.15 h1:mR+VaOSx2sUpaE8lXarinHcT8UXi+fKE4ESNBzDRAtQ=
-github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.8.15/go.mod h1:6olKNL2BGrsZPLbO/7kiJzZPxU74270nDI5G3HSSykw=
+github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.9.4 h1:t9yfb6yteIDv8CNRT6OHdqgTV6TSj+CdOtZP9dVhpsQ=
+github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.9.4/go.mod h1:m7sQxVJmDa+rsmS1m6biQxaLX83pzNS7ThUEyjOqkCU=
 github.com/sirupsen/logrus v1.0.4-0.20170822132746-89742aefa4b2/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
 github.com/sirupsen/logrus v1.0.6/go.mod h1:pMByvHTf9Beacp5x1UXfOR9xyW/9antXMhjMPG0dEzc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index cdf2b47dca1..1d14acd0165 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -773,8 +773,8 @@ github.com/sigstore/sigstore/pkg/signature/kms/azure
 # github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.9.4
 ## explicit; go 1.23.0
 github.com/sigstore/sigstore/pkg/signature/kms/gcp
-# github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.8.15
-## explicit; go 1.22.0
+# github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.9.4
+## explicit; go 1.23.0
 github.com/sigstore/sigstore/pkg/signature/kms/hashivault
 # github.com/sirupsen/logrus v1.9.3
 ## explicit; go 1.13