diff --git a/CHANGES.rst b/CHANGES.rst
index c653fdf..ea95ec5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,14 @@
 CHANGES
 =======
 
+1.0.0 (2023-09-03)
+------------------
+
+* Dropped Python 2.7, 3.4, 3.5, 3.6 support.
+* Added ``Trie.map()`` (#90).
+* Rebuilt Cython wrapper with Cython 3.0.2.
+* Fixed benchmark documentation typos (#89).
+
 0.8.0 (2023-03-25)
 ------------------
 
diff --git a/docs/conf.py b/docs/conf.py
index 56b47f6..b7733e7 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -59,7 +59,7 @@
 # built documents.
 #
 # The short X.Y version.
-version = "0.8.0"
+version = "1.0.0"
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/setup.py b/setup.py
index c78adec..bd77b87 100755
--- a/setup.py
+++ b/setup.py
@@ -60,7 +60,7 @@
 
 setup(
     name="marisa-trie",
-    version="0.8.0",
+    version="1.0.0",
     description=DESCRIPTION,
     long_description=LONG_DESCRIPTION,
     long_description_content_type="text/x-rst",