diff --git a/go.mod b/go.mod
index 9e307308..a6f31432 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.12
 require (
 	github.com/cockroachdb/apd v1.1.0
 	github.com/gofrs/uuid v3.2.0+incompatible
-	github.com/jackc/pgconn v1.6.3
+	github.com/jackc/pgconn v1.6.4
 	github.com/jackc/pgio v1.0.0
 	github.com/jackc/pgproto3/v2 v2.0.2
 	github.com/jackc/pgtype v1.4.2
diff --git a/go.sum b/go.sum
index c22be701..b53f5875 100644
--- a/go.sum
+++ b/go.sum
@@ -38,6 +38,8 @@ github.com/jackc/pgconn v1.6.2 h1:ifRs/oHByR6NfEXfusvjoTqX/KcSvDYNFASoK/wXKfs=
 github.com/jackc/pgconn v1.6.2/go.mod h1:w2pne1C2tZgP+TvjqLpOigGzNqjBgQW9dUw/4Chex78=
 github.com/jackc/pgconn v1.6.3 h1:4Ks3RKvSvKPolXZsnLQTDAsokDhgID14Cv4ehECmzlY=
 github.com/jackc/pgconn v1.6.3/go.mod h1:w2pne1C2tZgP+TvjqLpOigGzNqjBgQW9dUw/4Chex78=
+github.com/jackc/pgconn v1.6.4 h1:S7T6cx5o2OqmxdHaXLH1ZeD1SbI8jBznyYE9Ec0RCQ8=
+github.com/jackc/pgconn v1.6.4/go.mod h1:w2pne1C2tZgP+TvjqLpOigGzNqjBgQW9dUw/4Chex78=
 github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE=
 github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8=
 github.com/jackc/pgmock v0.0.0-20190831213851-13a1b77aafa2 h1:JVX6jT/XfzNqIjye4717ITLaNwV9mWbJx0dLCpcRzdA=