diff --git a/ChangeLog.md b/ChangeLog.md
index 9870d55..3d5d3e6 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,7 @@
-# UNRELEASED
+# v0.5.0 - 07/11/2024
 
 - Resilient to multiple copies of the same event on the same file descriptor
+- A system event is given enough rounds to complete if his priority is the lowest
 
 # v0.4.0 - 03/7/2023
 
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..4ecc804
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,13 @@
+all:
+	dune build
+
+install:
+	dune install
+
+test:
+	dune runtest
+
+release:
+	dune-release -p sel
+
+.PHONY: test