diff --git a/docs/checker-framework-webpage.html b/docs/checker-framework-webpage.html
index 7163b6c272c..628d4d3287a 100644
--- a/docs/checker-framework-webpage.html
+++ b/docs/checker-framework-webpage.html
@@ -30,8 +30,8 @@ <h1>The Checker Framework</h1>
     <a href="manual/#installation"><b>Installation instructions and tutorial</b></a>.
   </li>
   <li>
-    Download: <a href="checker-framework-3.19.0.zip"><!-- checker-framework-zip-version -->checker-framework-3.19.0.zip<!-- /checker-framework-zip-version --></a>
-    (<!-- checker-framework-date -->1 Nov 2021<!-- /checker-framework-date -->);
+    Download: <a href="checker-framework-3.20.0.zip"><!-- checker-framework-zip-version -->checker-framework-3.20.0.zip<!-- /checker-framework-zip-version --></a>
+    (<!-- checker-framework-date -->6 Dec 2021<!-- /checker-framework-date -->);
     includes source, platform-independent binary, tests, and documentation.<br/>
     Then, see the <a
     href="manual/#installation"><b>installation
@@ -93,7 +93,7 @@ <h1>The Checker Framework</h1>
           the <code>.class</code> file.  The tools support both Java 5
           declaration annotations and Java 8 type annotations.
         <ul>
-          <li><a href="annotation-file-utilities/annotation-tools-3.19.0.zip"><!-- annotation-tools-zip-version -->annotation-tools-3.19.0.zip<!-- /annotation-tools-zip-version --></a> (<!-- afu-date -->01 Nov 2021<!-- /afu-date -->)
+          <li><a href="annotation-file-utilities/annotation-tools-3.20.0.zip"><!-- annotation-tools-zip-version -->annotation-tools-3.20.0.zip<!-- /annotation-tools-zip-version --></a> (<!-- afu-date -->06 Dec 2021<!-- /afu-date -->)
           </li>
           <li><a href="https://github.com/typetools/annotation-tools/">source code repository</a>
           </li>
@@ -223,7 +223,7 @@ <h3 id="mailing-lists">Mailing lists</h3>
 <hr />
 
 <p>
-Last updated: <!-- checker-framework-date -->1 Nov 2021<!-- /checker-framework-date -->
+Last updated: <!-- checker-framework-date -->6 Dec 2021<!-- /checker-framework-date -->
 </p>
 
 </body>
diff --git a/docs/examples/MavenExample/pom.xml b/docs/examples/MavenExample/pom.xml
index 0dddd929b68..9378ecf0154 100644
--- a/docs/examples/MavenExample/pom.xml
+++ b/docs/examples/MavenExample/pom.xml
@@ -14,7 +14,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <!-- These properties will be set by the Maven Dependency plugin -->
     <errorProneJavac>${com.google.errorprone:javac:jar}</errorProneJavac>
-    <checkerFrameworkVersion><!-- checker-framework-version -->3.19.0<!-- /checker-framework-version --></checkerFrameworkVersion>
+    <checkerFrameworkVersion><!-- checker-framework-version -->3.20.0<!-- /checker-framework-version --></checkerFrameworkVersion>
   </properties>
 
   <dependencies>
diff --git a/docs/manual/external-tools.tex b/docs/manual/external-tools.tex
index 12ea059c07b..86eda4214a0 100644
--- a/docs/manual/external-tools.tex
+++ b/docs/manual/external-tools.tex
@@ -118,7 +118,7 @@
 \begin{Verbatim}
 dependencies {
     ... existing dependencies...
-    ext.checkerFrameworkVersion = '3.19.0'
+    ext.checkerFrameworkVersion = '3.20.0'
     implementation "org.checkerframework:checker-qual-android:${checkerFrameworkVersion}"
     // or if you use no annotations in source code the above line could be
     // compileOnly "org.checkerframework:checker-qual-android:${checkerFrameworkVersion}"
@@ -191,7 +191,7 @@
 \begin{Verbatim}
 dependencies {
     ... existing dependencies...
-    ext.checkerFrameworkVersion = '3.19.0'
+    ext.checkerFrameworkVersion = '3.20.0'
     implementation "org.checkerframework:checker-qual-android:${checkerFrameworkVersion}"
     // or if you use no annotations in source code the above line could be
     // compileOnly "org.checkerframework:checker-qual-android:${checkerFrameworkVersion}"
@@ -344,13 +344,13 @@
 \begin{Verbatim}
 prebuilt_jar(
     name = 'checker-framework',
-    binary_jar = 'checker-3.19.0.jar',
+    binary_jar = 'checker-3.20.0.jar',
     visibility = [ 'PUBLIC' ]
 )
 
 prebuilt_jar(
     name = 'checker-qual',
-    binary_jar = 'checker-qual-3.19.0.jar',
+    binary_jar = 'checker-qual-3.20.0.jar',
     visibility = [ 'PUBLIC' ]
 )
 
@@ -385,21 +385,21 @@
 use the last one.
 % Is the last one required for Cygwin, as well as for the Windows command shell?
 Adjust the pathnames if you have installed the Checker Framework somewhere
-other than \<\${HOME}/checker-framework-3.19.0/>.
+other than \<\${HOME}/checker-framework-3.20.0/>.
 
 
 \begin{itemize}
   \item
     Option 1:
     Add directory
-    \code{.../checker-framework-3.19.0/checker/bin} to your path, \emph{before} any other
+    \code{.../checker-framework-3.20.0/checker/bin} to your path, \emph{before} any other
     directory that contains a \<javac> executable.
 
     If you are
     using the bash shell, a way to do this is to add the following to your
     \verb|~/.profile| (or alternately \verb|~/.bash_profile| or \verb|~/.bashrc|) file:
 \begin{Verbatim}
-  export CHECKERFRAMEWORK=${HOME}/checker-framework-3.19.0
+  export CHECKERFRAMEWORK=${HOME}/checker-framework-3.20.0
   export PATH=${CHECKERFRAMEWORK}/checker/bin:${PATH}
 \end{Verbatim}
 
@@ -420,7 +420,7 @@
     file:
 % No Windows example because this doesn't work under Windows.
 \begin{Verbatim}
-  export CHECKERFRAMEWORK=${HOME}/checker-framework-3.19.0
+  export CHECKERFRAMEWORK=${HOME}/checker-framework-3.20.0
   alias javacheck='$CHECKERFRAMEWORK/checker/bin/javac'
 \end{Verbatim}
 
@@ -442,11 +442,11 @@
 
 \begin{Verbatim}
   # Unix
-  export CHECKERFRAMEWORK=${HOME}/checker-framework-3.19.0
+  export CHECKERFRAMEWORK=${HOME}/checker-framework-3.20.0
   alias javacheck='java -jar "$CHECKERFRAMEWORK/checker/dist/checker.jar"'
 
   # Windows
-  set CHECKERFRAMEWORK = C:\Program Files\checker-framework-3.19.0\
+  set CHECKERFRAMEWORK = C:\Program Files\checker-framework-3.20.0\
   doskey javacheck=java -jar "%CHECKERFRAMEWORK%\checker\dist\checker.jar" $*
 \end{Verbatim}
 
@@ -525,9 +525,9 @@
 
 \begin{itemize}
 \item \<javac.jar>: \url{https://search.maven.org/artifact/com.google.errorprone/javac/9%2B181-r4173-1/jar}
-\item \<checker-qual.jar>: \url{https://repo1.maven.org/maven2/org/checkerframework/checker-qual/3.19.0/checker-qual-3.19.0.jar}
-\item \<checker-util.jar>: \url{https://repo1.maven.org/maven2/org/checkerframework/checker-util/3.19.0/checker-util-3.19.0.jar}
-\item \<checker.jar>: \url{https://repo1.maven.org/maven2/org/checkerframework/checker/3.19.0/checker-3.19.0-all.jar}
+\item \<checker-qual.jar>: \url{https://repo1.maven.org/maven2/org/checkerframework/checker-qual/3.20.0/checker-qual-3.20.0.jar}
+\item \<checker-util.jar>: \url{https://repo1.maven.org/maven2/org/checkerframework/checker-util/3.20.0/checker-util-3.20.0.jar}
+\item \<checker.jar>: \url{https://repo1.maven.org/maven2/org/checkerframework/checker/3.20.0/checker-3.20.0-all.jar}
 \end{itemize}
 
 Different arguments to \<javac> are required for JDK 8
diff --git a/docs/manual/introduction.tex b/docs/manual/introduction.tex
index 93d67f145d4..de5a09f00f9 100644
--- a/docs/manual/introduction.tex
+++ b/docs/manual/introduction.tex
@@ -212,7 +212,7 @@
   %BEGIN LATEX
   \\
   %END LATEX
-  \url{https://checkerframework.org/checker-framework-3.19.0.zip}
+  \url{https://checkerframework.org/checker-framework-3.20.0.zip}
 
 \item
   Unzip it to create a \code{checker-framework-\ReleaseVersion{}} directory.
diff --git a/docs/manual/manual.bbl b/docs/manual/manual.bbl
index 71a84da550a..6487ac2c5a3 100644
--- a/docs/manual/manual.bbl
+++ b/docs/manual/manual.bbl
@@ -181,7 +181,7 @@ Colin~S. Gordon, Werner Dietl, Michael~D. Ernst, and Dan Grossman.
 Brian Goetz.
 \newblock The pseudo-typedef antipattern: Extension is not type definition.
 \newblock
-  \url{http://web.archive.org/web/20171025205847/https://www.ibm.com/developerworks/java/library/j-jtp02216/},
+  \url{https://web.archive.org/web/20171025205847/https://www.ibm.com/developerworks/java/library/j-jtp02216/},
   February~21, 2006.
 
 \bibitem[GPB{\etalchar{+}}06]{Goetz2006}
diff --git a/docs/manual/manual.tex b/docs/manual/manual.tex
index 8b70fb6d2e5..fcc497d6224 100644
--- a/docs/manual/manual.tex
+++ b/docs/manual/manual.tex
@@ -4,8 +4,8 @@
 
 \title{The Checker Framework Manual: \\ Custom pluggable types for Java}
 \author{\url{https://checkerframework.org/}}
-\newcommand{\ReleaseVersion}{3.19.0}
-\newcommand{\ReleaseInfo}{3.19.0 (1 Nov 2021)}
+\newcommand{\ReleaseVersion}{3.20.0}
+\newcommand{\ReleaseInfo}{3.20.0 (6 Dec 2021)}
 \date{Version \ReleaseInfo{}}
 
 \begin{document}