diff --git a/go.mod b/go.mod
index fb969f9a..bead2032 100644
--- a/go.mod
+++ b/go.mod
@@ -7,9 +7,9 @@ require (
 	cloud.google.com/go/spanner v1.73.0
 	cloud.google.com/go/storage v1.47.0
 	github.com/golang/mock v1.6.0
-	github.com/google/certificate-transparency-go v1.2.2
+	github.com/google/certificate-transparency-go v1.3.0
 	github.com/google/go-cmp v0.6.0
-	github.com/google/trillian v1.6.1
+	github.com/google/trillian v1.7.0
 	github.com/kylelemons/godebug v1.1.0
 	github.com/prometheus/client_golang v1.20.5
 	github.com/rs/cors v1.11.1
diff --git a/go.sum b/go.sum
index 6b23029e..1fc6ad12 100644
--- a/go.sum
+++ b/go.sum
@@ -778,8 +778,8 @@ github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
 github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
-github.com/google/certificate-transparency-go v1.2.2 h1:5TAzjQnCfN1vps2XWUgU6Svt++rgy9a+b8CBYXaKUAo=
-github.com/google/certificate-transparency-go v1.2.2/go.mod h1:d1o5XNQzK/yz8IXzEce6KXgMxfter/EcMP9vG4dBRNE=
+github.com/google/certificate-transparency-go v1.3.0 h1:+UhSNQAyA38Ed4CGfwOZeG4sJ030ELQZE4xtMFOxA7U=
+github.com/google/certificate-transparency-go v1.3.0/go.mod h1:/xVlT13jyrOuJOXTW5PjCBCrHBtXUq/jT5UeW40xliQ=
 github.com/google/flatbuffers v2.0.8+incompatible/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -824,8 +824,8 @@ github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLe
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/s2a-go v0.1.8 h1:zZDs9gcbt9ZPLV0ndSyQk6Kacx2g/X+SKYovpnz3SMM=
 github.com/google/s2a-go v0.1.8/go.mod h1:6iNWHTpQ+nfNRN5E00MSdfDwVesa8hhS32PhPO8deJA=
-github.com/google/trillian v1.6.1 h1:jWU5BGz24GQ5IsHNr+qbmISLkt+73jLv8BOIPN8RtD4=
-github.com/google/trillian v1.6.1/go.mod h1:TvwtNkJViJgWZ5VmAMXDwsTjzPBHaPjQO85Kt37JPmM=
+github.com/google/trillian v1.7.0 h1:Oib7mKRvZ0Z3GjvNcn2C4clRmFouEOkBcbzw7q8JlFI=
+github.com/google/trillian v1.7.0/go.mod h1:JMp1zzzHe7j2m9m8P/eTWOaoon3R/SwgqUnFMhm4vfw=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=