diff --git a/CHANGES b/CHANGES
index 25b1fc6..4748871 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,9 +1,12 @@
 Changes
 =======
 
-1.0a1 (2018-09-20)
+1.0.0 (2019-07-31)
 ------------------
 
-Initial release.
+First production release. There have been no changes since 1.0a1.
 
+1.0a1 (2018-09-20)
+------------------
 
+Initial release.
diff --git a/docs/conf.py b/docs/conf.py
index bdee841..9b6bb45 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,19 +14,20 @@
 #
 import os
 import sys
-sys.path.insert(0, os.path.abspath('..'))
+
+sys.path.insert(0, os.path.abspath(".."))
 
 
 # -- Project information -----------------------------------------------------
 
-project = 'jsonseq'
-copyright = '2018, Sean Gillies'
-author = 'Sean Gillies'
+project = "jsonseq"
+copyright = "2018, Sean Gillies"
+author = "Sean Gillies"
 
 # The short X.Y version
-version = ''
+version = ""
 # The full version, including alpha/beta/rc tags
-release = '1.0a1'
+release = "1.0a1"
 
 
 # -- General configuration ---------------------------------------------------
@@ -39,23 +40,23 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.autosummary',
-    'sphinx.ext.viewcode',
-    'numpydoc',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.autosummary",
+    "sphinx.ext.viewcode",
+    "numpydoc",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -67,7 +68,7 @@
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = None
@@ -78,7 +79,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+html_theme = "alabaster"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -89,7 +90,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
@@ -105,7 +106,7 @@
 # -- Options for HTMLHelp output ---------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'jsonseqdoc'
+htmlhelp_basename = "jsonseqdoc"
 
 
 # -- Options for LaTeX output ------------------------------------------------
@@ -114,15 +115,12 @@
     # The paper size ('letterpaper' or 'a4paper').
     #
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #
     # 'preamble': '',
-
     # Latex figure (float) alignment
     #
     # 'figure_align': 'htbp',
@@ -132,8 +130,7 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'jsonseq.tex', 'jsonseq Documentation',
-     'Sean Gillies', 'manual'),
+    (master_doc, "jsonseq.tex", "jsonseq Documentation", "Sean Gillies", "manual")
 ]
 
 
@@ -141,10 +138,7 @@
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [
-    (master_doc, 'jsonseq', 'jsonseq Documentation',
-     [author], 1)
-]
+man_pages = [(master_doc, "jsonseq", "jsonseq Documentation", [author], 1)]
 
 
 # -- Options for Texinfo output ----------------------------------------------
@@ -153,9 +147,15 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'jsonseq', 'jsonseq Documentation',
-     author, 'jsonseq', 'One line description of project.',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "jsonseq",
+        "jsonseq Documentation",
+        author,
+        "jsonseq",
+        "One line description of project.",
+        "Miscellaneous",
+    )
 ]
 
 
@@ -174,7 +174,7 @@
 # epub_uid = ''
 
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ["search.html"]
 
 
 # -- Extension configuration -------------------------------------------------
diff --git a/jsonseq/__init__.py b/jsonseq/__init__.py
index 0cdcfc7..a50ba82 100644
--- a/jsonseq/__init__.py
+++ b/jsonseq/__init__.py
@@ -1,3 +1,3 @@
 """The jsonseq package."""
 
-__version__ = "1.0a1"
+__version__ = "1.0.0"
diff --git a/setup.py b/setup.py
index 59c86dc..3c07c27 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 
 setup(
     name="jsonseq",
-    version="1.0a1",
+    version="1.0.0",
     description="Python support for RFC 7464 JSON text sequences",
     long_description=long_description,
     long_description_content_type="text/markdown",
@@ -20,7 +20,7 @@
     author="Sean Gillies",
     author_email="sean.gillies@gmail.com",
     classifiers=[
-        "Development Status :: 3 - Alpha",
+        "Development Status :: 5 - Production/Stable",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python :: 3",