diff --git a/contrib/go.mod b/contrib/go.mod
index 81293fe..dd9a407 100644
--- a/contrib/go.mod
+++ b/contrib/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/aatuh/envvar/v2 v2.1.5
 	github.com/aatuh/validate/v3 v3.0.7
 	github.com/alicebob/miniredis/v2 v2.38.0
-	github.com/cedar-policy/cedar-go v1.4.0
+	github.com/cedar-policy/cedar-go v1.8.0
 	github.com/cenkalti/backoff/v5 v5.0.3
 	github.com/getkin/kin-openapi v0.142.0
 	github.com/go-chi/chi/v5 v5.2.5
diff --git a/contrib/go.sum b/contrib/go.sum
index f0d2aa5..bc8f5b2 100644
--- a/contrib/go.sum
+++ b/contrib/go.sum
@@ -16,8 +16,8 @@ github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
 github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
 github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
 github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
-github.com/cedar-policy/cedar-go v1.4.0 h1:hTl2GeC3O2roIiyqvAQCvwMXpCpq2oJKtdxzsEbBLBA=
-github.com/cedar-policy/cedar-go v1.4.0/go.mod h1:h5+3CVW1oI5LXVskJG+my9TFCYI5yjh/+Ul3EJie6MI=
+github.com/cedar-policy/cedar-go v1.8.0 h1:9gcU7EHXwHC2RMdpph68yTAkdB3behTTssC+kt4GoS8=
+github.com/cedar-policy/cedar-go v1.8.0/go.mod h1:h5+3CVW1oI5LXVskJG+my9TFCYI5yjh/+Ul3EJie6MI=
 github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
 github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=