diff --git a/AUTHORS b/AUTHORS
index 8812c7ad..f5491a0f 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -108,6 +108,7 @@ Contributors:
     * Gantsev Denis
     * Stephano Paraskeva
     * Panos Mavrogiorgos (pmav99)
+    * Igor Kim (igorkim)
 
 Creator:
 --------
diff --git a/Dockerfile b/Dockerfile
index 8d48e7de..32d341ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:2.7
+FROM python:3.8
 
 COPY . /app
 RUN cd /app && pip install -e .
diff --git a/changelog.rst b/changelog.rst
index 3db7fec7..581e72b7 100644
--- a/changelog.rst
+++ b/changelog.rst
@@ -6,6 +6,7 @@ Features:
 
 * Make the output more compact by removing the empty newline. (Thanks: `laixintao`_)
 * Add support for using [pspg](https://github.com/okbob/pspg) as a pager (#1102)
+* Update python version in Dockerfile
 
 Bug fixes:
 ----------