diff --git a/apps/emqx_postgresql/rebar.config b/apps/emqx_postgresql/rebar.config
index 1ae1309c9..a4b84ef0f 100644
--- a/apps/emqx_postgresql/rebar.config
+++ b/apps/emqx_postgresql/rebar.config
@@ -2,7 +2,7 @@
 
 {erl_opts, [debug_info]}.
 {deps, [
-        {epgsql, {git, "https://github.com/emqx/epgsql", {tag, "4.7.0.1"}}},
+        {epgsql, {git, "https://github.com/emqx/epgsql", {tag, "4.7.1.1"}}},
         {emqx_connector, {path, "../../apps/emqx_connector"}},
         {emqx_resource, {path, "../../apps/emqx_resource"}}
 ]}.
diff --git a/mix.exs b/mix.exs
index 453f0b7dd..0182d6023 100644
--- a/mix.exs
+++ b/mix.exs
@@ -79,7 +79,7 @@ defmodule EMQXUmbrella.MixProject do
       # in conflict by ehttpc and emqtt
       {:gun, github: "emqx/gun", tag: "1.3.9", override: true},
       # in conflict by emqx_connector and system_monitor
-      {:epgsql, github: "emqx/epgsql", tag: "4.7.0.1", override: true},
+      {:epgsql, github: "emqx/epgsql", tag: "4.7.1.1", override: true},
       # in conflict by emqx and observer_cli
       {:recon, github: "ferd/recon", tag: "2.5.1", override: true},
       {:jsx, github: "talentdeficit/jsx", tag: "v3.1.0", override: true},