diff --git a/go.mod b/go.mod
index edafd6554f..ee2c809466 100644
--- a/go.mod
+++ b/go.mod
@@ -19,9 +19,9 @@ 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/etcdctl/v3 v3.5.1
-	go.etcd.io/etcd/v3 v3.5.1
+	go.etcd.io/etcd/client/v3 v3.5.2
+	go.etcd.io/etcd/etcdctl/v3 v3.5.2
+	go.etcd.io/etcd/v3 v3.5.2
 	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0
 	golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420
 	google.golang.org/grpc v1.40.0
diff --git a/go.sum b/go.sum
index 54a9ebb618..78a7ddfdcc 100644
--- a/go.sum
+++ b/go.sum
@@ -756,46 +756,46 @@ 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/v2 v2.305.2 h1:ymrVwTkefuqA/rPkSW7/B4ApijbPVefRumkY+stNfS0=
+go.etcd.io/etcd/client/v2 v2.305.2/go.mod h1:2D7ZejHVMIfog1221iLSYlQRzrtECw3kz4I4VAQm3qI=
 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=
-go.etcd.io/etcd/etcdctl/v3 v3.5.1/go.mod h1:+MR3ID5otqj9+0Ie8nXH5dHX4fbow5wTJKBXpRgDrMU=
+go.etcd.io/etcd/etcdctl/v3 v3.5.2 h1:ATzULPFiqZKFsKxuR5uCT7rFK9LJjPMX9SB5lFMDWMk=
+go.etcd.io/etcd/etcdctl/v3 v3.5.2/go.mod h1:osSy52iUgSac23EuUqmer7XJEN9iSHjVRMF3jh9Y/5o=
 go.etcd.io/etcd/etcdutl/v3 v3.5.0/go.mod h1:o98rKMCibbFAG8QS9KmvlYDGDShmmIbmRE8vSofzYNg=
-go.etcd.io/etcd/etcdutl/v3 v3.5.1 h1:ucUjEgJCF1i3lOrQ4qd9LGGJNz11MGD/chJidfSrPws=
-go.etcd.io/etcd/etcdutl/v3 v3.5.1/go.mod h1:fDeCOsFfxdcMIbjSoKLJQDCFRv0ixQY+tyOuPF7uEQU=
+go.etcd.io/etcd/etcdutl/v3 v3.5.2 h1:XDNv2bGD6Ylz3Gb9lIGV/IYLk1bwTvyCIi1EI4hyyqo=
+go.etcd.io/etcd/etcdutl/v3 v3.5.2/go.mod h1:f+KEUNxRzqQGq1Y/SsaDN5cmlOGRWgfE3lXEDi5F1Ys=
 go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0/go.mod h1:tV31atvwzcybuqejDoY3oaNRTtlD2l/Ot78Pc9w7DMY=
 go.etcd.io/etcd/pkg/v3 v3.5.0/go.mod h1:UzJGatBQ1lXChBkQF0AuAtkRQMYnHubxAEYIrC3MSsE=
-go.etcd.io/etcd/pkg/v3 v3.5.1 h1:nYifzmtBQ2l91wUQM6aZGGwR/pvpQQyscmS4azm184Q=
-go.etcd.io/etcd/pkg/v3 v3.5.1/go.mod h1:Qb9MvSx6rlo+Es8pOvkCQjGf7L8GA+NxrkRcyZ7eGXo=
+go.etcd.io/etcd/pkg/v3 v3.5.2 h1:YZUojdoPhOyl5QILYnR8LTUbbNefu/sV4ma+ZMr2tto=
+go.etcd.io/etcd/pkg/v3 v3.5.2/go.mod h1:zsXz+9D/kijzRiG/UnFGDTyHKcVp0orwiO8iMLAi+k0=
 go.etcd.io/etcd/raft/v3 v3.5.0-alpha.0/go.mod h1:FAwse6Zlm5v4tEWZaTjmNhe17Int4Oxbu7+2r0DiD3w=
 go.etcd.io/etcd/raft/v3 v3.5.0/go.mod h1:UFOHSIvO/nKwd4lhkwabrTD3cqW5yVyYYf/KlD00Szc=
-go.etcd.io/etcd/raft/v3 v3.5.1 h1:nthXrxmATKB9OZ9C64sk3QZaJ1WZ8tmlI0VwzpJSZwg=
-go.etcd.io/etcd/raft/v3 v3.5.1/go.mod h1:WIlKzH/rjc54LDZ8SOa7GObrrdX3z96MkP1WDfODBeA=
+go.etcd.io/etcd/raft/v3 v3.5.2 h1:uCC37qOXqBvKqTGHGyhASsaCsnTuJugl1GvneJNwHWo=
+go.etcd.io/etcd/raft/v3 v3.5.2/go.mod h1:G6pCP1sFgbjod7/KnEHY0vHUViqxjkdt6AiKsD0GRr8=
 go.etcd.io/etcd/server/v3 v3.5.0-alpha.0/go.mod h1:tsKetYpt980ZTpzl/gb+UOJj9RkIyCb1u4wjzMg90BQ=
 go.etcd.io/etcd/server/v3 v3.5.0/go.mod h1:3Ah5ruV+M+7RZr0+Y/5mNLwC+eQlni+mQmOVdCRJoS4=
-go.etcd.io/etcd/server/v3 v3.5.1 h1:u8risUH348DmLy2XD3krH/S3GWk2ljuCrs8V3hd4584=
-go.etcd.io/etcd/server/v3 v3.5.1/go.mod h1:yBKYw++NWu6ciuWoKuL7UXgGKDP7ICBCuVQrIcYbPdw=
+go.etcd.io/etcd/server/v3 v3.5.2 h1:B6ytJvS4Fmt8nkjzS2/8POf4tuPhFMluE0lWd4dx/7U=
+go.etcd.io/etcd/server/v3 v3.5.2/go.mod h1:mlG8znIEz4N/28GABrohZCBM11FqgGVQcpbcyJgh0j0=
 go.etcd.io/etcd/tests/v3 v3.5.0-alpha.0/go.mod h1:HnrHxjyCuZ8YDt8PYVyQQ5d1ZQfzJVEtQWllr5Vp/30=
 go.etcd.io/etcd/tests/v3 v3.5.0/go.mod h1:f+mtZ1bE1YPvgKdOJV2BKy4JQW0nAFnQehgOE7+WyJE=
-go.etcd.io/etcd/tests/v3 v3.5.1 h1:u9wrZcRj9TKh2VONWlCQc4JKRnKWzQ0BuxmEKbf7LmA=
-go.etcd.io/etcd/tests/v3 v3.5.1/go.mod h1:BxTA5IIMhb/VeVZpqp0Q3oaBRqn7lZOER/tYO0HMFCA=
+go.etcd.io/etcd/tests/v3 v3.5.2 h1:uk7/uMGVebpBDl+roivowHt6gJ5Fnqwik3syDkoSKdo=
+go.etcd.io/etcd/tests/v3 v3.5.2/go.mod h1:Jdzbei4uFi9C3xDBfCwckRXjlX0UPooiP4g/zXgBMgQ=
 go.etcd.io/etcd/v3 v3.5.0-alpha.0/go.mod h1:JZ79d3LV6NUfPjUxXrpiFAYcjhT+06qqw+i28snx8To=
 go.etcd.io/etcd/v3 v3.5.0/go.mod h1:FldM0/VzcxYWLvWx1sdA7ghKw7C3L2DvUTzGrcEtsC4=
-go.etcd.io/etcd/v3 v3.5.1 h1:4PnioKThFqwnPeopxIFjmzvr5dS0Px7cLd3vX70cnrU=
-go.etcd.io/etcd/v3 v3.5.1/go.mod h1:9UpqH944lLFM2t9KGfGzDIRWDOBAKVwlI/wjiw+WYIk=
+go.etcd.io/etcd/v3 v3.5.2 h1:cG2MVFux3SkiqL2bZHhpzgj+zF1J2b5WNis4Q51/mrw=
+go.etcd.io/etcd/v3 v3.5.2/go.mod h1:eGDFXnKuRWpXgN0zH2dPM72UrBmsEEA/ywU0AUW34HQ=
 go.opencensus.io v0.15.0/go.mod h1:UffZAU+4sDEINUGP/B7UfBBkq4fqLu9zXAX7ke6CHW0=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=