diff --git a/go.mod b/go.mod
index 47dd9b8..e888b10 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.18
 
 require (
 	github.com/hashicorp/vault/api v1.7.2
-	github.com/peterbourgon/ff/v3 v3.1.2
+	github.com/peterbourgon/ff/v3 v3.3.0
 	github.com/pkg/errors v0.9.1
 	github.com/spiffe/go-spiffe/v2 v2.1.1
 	github.com/stretchr/testify v1.8.0
diff --git a/go.sum b/go.sum
index 6d92694..3d7fe99 100644
--- a/go.sum
+++ b/go.sum
@@ -185,9 +185,8 @@ github.com/oklog/run v1.1.0 h1:GEenZ1cK0+q0+wsJew9qUg/DyD8k3JzYsZAi5gYi2mA=
 github.com/oklog/run v1.1.0/go.mod h1:sVPdnTZT1zYwAJeCMu2Th4T21pA3FPOQRfWjQlk7DVU=
 github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
-github.com/pelletier/go-toml v1.6.0/go.mod h1:5N711Q9dKgbdkxHL+MEfF31hpT7l0S0s/t2kKREewys=
-github.com/peterbourgon/ff/v3 v3.1.2 h1:0GNhbRhO9yHA4CC27ymskOsuRpmX0YQxwxM9UPiP6JM=
-github.com/peterbourgon/ff/v3 v3.1.2/go.mod h1:XNJLY8EIl6MjMVjBS4F0+G0LYoAqs0DTa4rmHHukKDE=
+github.com/peterbourgon/ff/v3 v3.3.0 h1:PaKe7GW8orVFh8Unb5jNHS+JZBwWUMa2se0HM6/BI24=
+github.com/peterbourgon/ff/v3 v3.3.0/go.mod h1:zjJVUhx+twciwfDl0zBcFzl4dW8axCRyXE/eKY9RztQ=
 github.com/pierrec/lz4 v2.6.1+incompatible h1:9UY3+iC23yxF0UfGaYrGplQ+79Rg+h/q9FV9ix19jjM=
 github.com/pierrec/lz4 v2.6.1+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=