diff --git a/go.mod b/go.mod
index 1aeac3f011..86f39bc4ae 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/sergi/go-diff v1.2.0
 	github.com/tomasen/realip v0.0.0-20180522021738-f0c99a92ddce
 	github.com/transparency-dev/merkle v0.0.0-20220104141048-2fe6541b4c0d
-	go.etcd.io/etcd/client/v3 v3.5.1
+	go.etcd.io/etcd/client/v3 v3.5.2
 	go.etcd.io/etcd/etcdctl/v3 v3.5.1
 	go.etcd.io/etcd/v3 v3.5.1
 	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0
diff --git a/go.sum b/go.sum
index 2f31d7356d..2042ab5805 100644
--- a/go.sum
+++ b/go.sum
@@ -755,19 +755,22 @@ go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738 h1:VcrIfasaLFkyjk6KNlXQSzO+B0
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
 go.etcd.io/etcd/api/v3 v3.5.0-alpha.0/go.mod h1:mPcW6aZJukV6Aa81LSKpBjQXTWlXB5r74ymPoSWa3Sw=
 go.etcd.io/etcd/api/v3 v3.5.0/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
-go.etcd.io/etcd/api/v3 v3.5.1 h1:v28cktvBq+7vGyJXF8G+rWJmj+1XUmMtqcLnH8hDocM=
 go.etcd.io/etcd/api/v3 v3.5.1/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
+go.etcd.io/etcd/api/v3 v3.5.2 h1:tXok5yLlKyuQ/SXSjtqHc4uzNaMqZi2XsoSPr/LlJXI=
+go.etcd.io/etcd/api/v3 v3.5.2/go.mod h1:5GB2vv4A4AOn3yk7MftYGHkUfGtDHnEraIjym4dYz5A=
 go.etcd.io/etcd/client/pkg/v3 v3.5.0/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
-go.etcd.io/etcd/client/pkg/v3 v3.5.1 h1:XIQcHCFSG53bJETYeRJtIxdLv2EWRGxcfzR8lSnTH4E=
 go.etcd.io/etcd/client/pkg/v3 v3.5.1/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
+go.etcd.io/etcd/client/pkg/v3 v3.5.2 h1:4hzqQ6hIb3blLyQ8usCU4h3NghkqcsohEQ3o3VetYxE=
+go.etcd.io/etcd/client/pkg/v3 v3.5.2/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
 go.etcd.io/etcd/client/v2 v2.305.0-alpha.0/go.mod h1:kdV+xzCJ3luEBSIeQyB/OEKkWKd8Zkux4sbDeANrosU=
 go.etcd.io/etcd/client/v2 v2.305.0/go.mod h1:h9puh54ZTgAKtEbut2oe9P4L/oqKCVB6xsXlzd7alYQ=
 go.etcd.io/etcd/client/v2 v2.305.1 h1:vtxYCKWA9x31w0WJj7DdqsHFNjhkigdAnziDtkZb/l4=
 go.etcd.io/etcd/client/v2 v2.305.1/go.mod h1:pMEacxZW7o8pg4CrFE7pquyCJJzZvkvdD2RibOCCCGs=
 go.etcd.io/etcd/client/v3 v3.5.0-alpha.0/go.mod h1:wKt7jgDgf/OfKiYmCq5WFGxOFAkVMLxiiXgLDFhECr8=
 go.etcd.io/etcd/client/v3 v3.5.0/go.mod h1:AIKXXVX/DQXtfTEqBryiLTUXwON+GuvO6Z7lLS/oTh0=
-go.etcd.io/etcd/client/v3 v3.5.1 h1:oImGuV5LGKjCqXdjkMHCyWa5OO1gYKCnC/1sgdfj1Uk=
 go.etcd.io/etcd/client/v3 v3.5.1/go.mod h1:OnjH4M8OnAotwaB2l9bVgZzRFKru7/ZMoS46OtKyd3Q=
+go.etcd.io/etcd/client/v3 v3.5.2 h1:WdnejrUtQC4nCxK0/dLTMqKOB+U5TP/2Ya0BJL+1otA=
+go.etcd.io/etcd/client/v3 v3.5.2/go.mod h1:kOOaWFFgHygyT0WlSmL8TJiXmMysO/nNUlEsSsN6W4o=
 go.etcd.io/etcd/etcdctl/v3 v3.5.0-alpha.0/go.mod h1:YPwSaBciV5G6Gpt435AasAG3ROetZsKNUzibRa/++oo=
 go.etcd.io/etcd/etcdctl/v3 v3.5.0/go.mod h1:vGTfKdsh87RI7kA2JHFBEGxjQEYx+pi299wqEOdi34M=
 go.etcd.io/etcd/etcdctl/v3 v3.5.1 h1:vDzz5HXbWLJcqlKJRNZFPhs+4jCzxIoOz4c7gYIO4YI=