diff --git a/CHANGES-4.3.md b/CHANGES-4.3.md
index dd310ef0f..99ff74d8f 100644
--- a/CHANGES-4.3.md
+++ b/CHANGES-4.3.md
@@ -22,6 +22,7 @@ File format:
 ### Bug fixes
 
 * Prohibit empty topics in strict mode
+* Make sure ehttpc delete useless pool always succeed.
 
 ## v4.3.13
 
diff --git a/rebar.config b/rebar.config
index 2003321bb..26052e80b 100644
--- a/rebar.config
+++ b/rebar.config
@@ -37,7 +37,7 @@
 
 {deps,
     [ {gpb, "4.11.2"} %% gpb only used to build, but not for release, pin it here to avoid fetching a wrong version due to rebar plugins scattered in all the deps
-    , {ehttpc, {git, "https://github.com/emqx/ehttpc", {tag, "0.1.14"}}}
+    , {ehttpc, {git, "https://github.com/emqx/ehttpc", {tag, "0.1.15"}}}
     , {eredis_cluster, {git, "https://github.com/emqx/eredis_cluster", {tag, "0.6.5"}}}
     , {gproc, {git, "https://github.com/uwiger/gproc", {tag, "0.8.0"}}}
     , {jiffy, {git, "https://github.com/emqx/jiffy", {tag, "1.0.5"}}}