diff --git a/CHANGELOG.md b/CHANGELOG.md
index cfc6c44..0de1188 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,11 @@
 # ChangeLog
 
+### version 1.2.0
+  * thanks to [@msnidal](https://github.com/msnidal) Implement `.prof` output
+
 ### version 1.1.0
-    * Update API `PyInstrumentProfilerMiddleware` to top level, usage like `from fastapi_profiler import PyInstrumentProfilerMiddleware`
-    * support `pyinstrument.async_mode`
+  * Update API `PyInstrumentProfilerMiddleware` to top level, usage like `from fastapi_profiler import PyInstrumentProfilerMiddleware`
+  * support `pyinstrument.async_mode`
 
 ### version 1.0.0 
-    * Finish fastapi middleware with pyinstrument.
\ No newline at end of file
+  * Finish fastapi middleware with pyinstrument.
\ No newline at end of file
diff --git a/fastapi_profiler/_version.py b/fastapi_profiler/_version.py
index 814be0e..524e682 100644
--- a/fastapi_profiler/_version.py
+++ b/fastapi_profiler/_version.py
@@ -1,2 +1,2 @@
-__version__ = "1.1.0"
+__version__ = "1.2.0"
 __author__ = "sunhailin-Leo"
diff --git a/setup.py b/setup.py
index 4986bd9..7eb5350 100644
--- a/setup.py
+++ b/setup.py
@@ -87,7 +87,6 @@ def run(self):
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",