diff --git a/CHANGES.md b/CHANGES.md
index a576d06..5ab60bc 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,8 +2,14 @@ Changes in PDFio
 ================
 
 
-v1.0rc1 (Month DD, YYYY)
-------------------------
+v1.0.0 (December 14, 2021)
+--------------------------
+
+- First stable release.
+
+
+v1.0rc1 (November 30, 2021)
+---------------------------
 
 - Fixed a few stack/buffer overflow bugs discovered via fuzzing.
 
diff --git a/Makefile b/Makefile
index 6e7cd42..d8f658e 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ DSONAME		=
 LDFLAGS		=
 LIBS		=	-lm -lz
 RANLIB		=	ranlib
-VERSION		=	1.0b2
+VERSION		=	1.0.0
 prefix		=	/usr/local
 
 
diff --git a/doc/pdfio.3 b/doc/pdfio.3
index 667b494..152acf9 100644
--- a/doc/pdfio.3
+++ b/doc/pdfio.3
@@ -1,4 +1,4 @@
-.TH pdfio 3 "pdf read/write library" "2021-10-25" "pdf read/write library"
+.TH pdfio 3 "pdf read/write library" "2021-12-14" "pdf read/write library"
 .SH NAME
 pdfio \- pdf read/write library
 .SH Introduction
diff --git a/pdfio.vcxproj b/pdfio.vcxproj
index f4be525..8d62a7d 100644
--- a/pdfio.vcxproj
+++ b/pdfio.vcxproj
@@ -87,7 +87,7 @@
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.0b2";WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>PDFIO_VERSION="1.0.0";WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -101,7 +101,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.0b2";WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>PDFIO_VERSION="1.0.0";WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -115,7 +115,7 @@
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.0b2";_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>PDFIO_VERSION="1.0.0";_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -130,7 +130,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>PDFIO_VERSION="1.0b2";NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>PDFIO_VERSION="1.0.0";NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
diff --git a/pdfio_native.nuspec b/pdfio_native.nuspec
index 74e8f6f..0a66b26 100644
--- a/pdfio_native.nuspec
+++ b/pdfio_native.nuspec
@@ -3,7 +3,7 @@
     <metadata>
         <id>pdfio_native</id>
         <title>PDFio Library for VS2019+</title>
-        <version>1.0.0-b7</version>
+        <version>1.0.0</version>
         <authors>Michael R Sweet</authors>
         <owners>michaelrsweet</owners>
         <projectUrl>https://github.com/michaelrsweet/pappl</projectUrl>
@@ -16,7 +16,7 @@
         <copyright>Copyright © 2019-2021 by Michael R Sweet</copyright>
         <tags>pdf file native</tags>
 	<dependencies>
-	    <dependency id="pdfio_native.redist" version="1.0.0-b7" />
+	    <dependency id="pdfio_native.redist" version="1.0.0" />
 	    <dependency id="zlib_native.redist" version="1.2.11" />
 	</dependencies>
     </metadata>
diff --git a/pdfio_native.redist.nuspec b/pdfio_native.redist.nuspec
index c33b979..de88391 100644
--- a/pdfio_native.redist.nuspec
+++ b/pdfio_native.redist.nuspec
@@ -3,7 +3,7 @@
     <metadata>
         <id>pdfio_native.redist</id>
         <title>PDFio Library for VS2019+</title>
-        <version>1.0.0-b7</version>
+        <version>1.0.0</version>
         <authors>Michael R Sweet</authors>
         <owners>michaelrsweet</owners>
         <projectUrl>https://github.com/michaelrsweet/pappl</projectUrl>