diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8af906c..dfd81c4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+# 0.3.1 - 2018-09-01
+
+- Document how to install MAT2 for various distributions
+- Fix various typos in the documentation/comments
+- Add ArchLinux to the CI to ensure that MAT2 is running on it
+- Fix the handling of files with a name ending in `.JPG`
+- Improve the detection of unsupported extensions in upper-case
+- Streamline MAT2's logging
+
+
 # 0.3.0 - 2018-08-03
 
 - Add a check for missing dependencies
diff --git a/doc/mat.1 b/doc/mat.1
index ddc009a..e7ad3ad 100644
--- a/doc/mat.1
+++ b/doc/mat.1
@@ -1,4 +1,4 @@
-.TH MAT2 "1" "August 2018" "MAT2 0.3.0" "User Commands"
+.TH MAT2 "1" "September 2018" "MAT2 0.3.1" "User Commands"
 
 .SH NAME
 mat2 \- the metadata anonymisation toolkit 2
diff --git a/mat2 b/mat2
index dc316e9..f403d21 100755
--- a/mat2
+++ b/mat2
@@ -15,7 +15,7 @@ except ValueError as e:
     print(e)
     sys.exit(1)
 
-__version__ = '0.3.0'
+__version__ = '0.3.1'
 
 def __check_file(filename: str, mode: int=os.R_OK) -> bool:
     if not os.path.exists(filename):
diff --git a/setup.py b/setup.py
index c8e6582..9773e49 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="mat2",
-    version='0.3.0',
+    version='0.3.1',
     author="Julien (jvoisin) Voisin",
     author_email="julien.voisin+mat2@dustri.org",
     description="A handy tool to trash your metadata",