diff --git a/go.mod b/go.mod
index 6d28c7c..0bedb7e 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/coreos/go-oidc/v3 v3.9.0
 	github.com/drewstinnett/gout/v2 v2.1.2
 	github.com/erni27/imcache v1.2.0
-	github.com/expr-lang/expr v1.16.1
+	github.com/expr-lang/expr v1.16.4
 	github.com/golang-jwt/jwt/v5 v5.2.0
 	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.0.1
 	github.com/hashicorp/go-version v1.6.0
diff --git a/go.sum b/go.sum
index bde33ea..eb77496 100644
--- a/go.sum
+++ b/go.sum
@@ -12,8 +12,8 @@ github.com/drewstinnett/gout/v2 v2.1.2 h1:jiaDvSOpdhXN/Hj0n7eKMdH02IbLKUmVD0ZXsz
 github.com/drewstinnett/gout/v2 v2.1.2/go.mod h1:TgCKGBgapNF8GgGpLwqqdpDoza2bavGhTrQEcKDP2q4=
 github.com/erni27/imcache v1.2.0 h1:EbHHhwzJPcAYK//cVDq0use9tep1z9/kenIQhMarGnk=
 github.com/erni27/imcache v1.2.0/go.mod h1:KNUCBr1U9nOFTyUEC9CsMKZE33NboYTPavsQsuEufoA=
-github.com/expr-lang/expr v1.16.1 h1:Na8CUcMdyGbnNpShY7kzcHCU7WqxuL+hnxgHZ4vaz/A=
-github.com/expr-lang/expr v1.16.1/go.mod h1:uCkhfG+x7fcZ5A5sXHKuQ07jGZRl6J0FCAaf2k4PtVQ=
+github.com/expr-lang/expr v1.16.4 h1:1Mq5RHw5T5jxXMUvyb+eT546mJREm1yFyNHkybYQ81c=
+github.com/expr-lang/expr v1.16.4/go.mod h1:uCkhfG+x7fcZ5A5sXHKuQ07jGZRl6J0FCAaf2k4PtVQ=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/go-jose/go-jose/v3 v3.0.3 h1:fFKWeig/irsp7XD2zBxvnmA/XaRWp5V3CBsZXJF7G7k=