diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 7b0c1a22..cbdb4373 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Release History
 
+## 3.1.6 (2021-07-18)
+
+**Fixed**
+
+- fix #1086: chinese garbled in response
+- fix #1068: incorrect variables and variable type hints
+- fix #1079: display error in request body if the list inputted from with_json() contains dict
+- fix #1056: validation failed when validation-value is in string format
+
 ## 3.1.5 (2021-06-27)
 
 **Fixed**
diff --git a/httprunner/__init__.py b/httprunner/__init__.py
index 658a0395..a08a40bf 100644
--- a/httprunner/__init__.py
+++ b/httprunner/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "3.1.5"
+__version__ = "3.1.6"
 __description__ = "One-stop solution for HTTP(S) testing."
 
 # import firstly for monkey patch if needed
diff --git a/pyproject.toml b/pyproject.toml
index 4009a727..66d49fb5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "httprunner"
-version = "3.1.5"
+version = "3.1.6"
 description = "One-stop solution for HTTP(S) testing."
 license = "Apache-2.0"
 readme = "README.md"