diff --git a/_includes/nav.html b/_includes/nav.html
index 184ef834751..e738b4c0e45 100644
--- a/_includes/nav.html
+++ b/_includes/nav.html
@@ -18,7 +18,7 @@
       <li {% if include.active == 'docs' %} class="active" {% endif %}>
         <a href="{{ site.baseurl }}/docs/installation">Docs</a>
       </li>
-      <li><a href="http://github.com/google/error-prone">GitHub</a></li>
+      <li><a href="https://github.com/google/error-prone">GitHub</a></li>
     </ul>
   </div>
 </div>
diff --git a/docs/flags.md b/docs/flags.md
index c0722a6406e..129c4e26e14 100644
--- a/docs/flags.md
+++ b/docs/flags.md
@@ -69,7 +69,7 @@ We no longer support the old-style Error Prone disabling flags that used the
 
 There are a couple of flags for configuration of patching in suggested fixes,
 e.g. `-XepPatchChecks:VALUE` and `-XepPatchLocation:VALUE`. See the
-[patching docs](http://errorprone.info/docs/patching) for more info.
+[patching docs](https://errorprone.info/docs/patching) for more info.
 
 ### Pass Additional Info to BugCheckers
 
diff --git a/docs/installation.md b/docs/installation.md
index 7c1c5d18a6b..505ae473ca7 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -9,12 +9,12 @@ can still be used to build Java 8 code by setting the appropriate `-source` /
 `-target` / `-bootclasspath` flags.)
 
 Please join our
-[mailing list](http://groups.google.com/group/error-prone-announce) to know when
+[mailing list](https://groups.google.com/group/error-prone-announce) to know when
 a new version is released!
 
 ## Bazel
 
-Error Prone works out of the box with [Bazel](http://bazel.io).
+Error Prone works out of the box with [Bazel](https://bazel.io).
 
 ```
 java_library(
@@ -29,7 +29,7 @@ ERROR: example/myproject/BUILD:29:1: Java compilation in rule '//example/myproje
 examples/maven/error_prone_should_flag/src/main/java/Main.java:20: error: [DeadException] Exception created but not thrown
     new Exception();
     ^
-    (see http://errorprone.info/bugpattern/DeadException)
+    (see https://errorprone.info/bugpattern/DeadException)
   Did you mean 'throw new Exception();'?
 1 error
 BazelJavaBuilder threw exception: java compilation returned status ERROR
@@ -111,7 +111,7 @@ file:
 --add-opens jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED
 ```
 
-See the [flags documentation](http://errorprone.info/docs/flags#maven) for
+See the [flags documentation](https://errorprone.info/docs/flags#maven) for
 details on how to customize the plugin's behavior.
 
 ## Gradle
@@ -214,7 +214,7 @@ javac \
 ShortSet.java:8: error: [CollectionIncompatibleType] Argument 'i - 1' should not be passed to this method; its type int is not compatible with its collection's type argument Short
       s.remove(i - 1);
               ^
-    (see http://errorprone.info/bugpattern/CollectionIncompatibleType)
+    (see https://errorprone.info/bugpattern/CollectionIncompatibleType)
 1 error
 ```
 
diff --git a/docs/patching.md b/docs/patching.md
index 699ee0df61f..7a5557d58eb 100644
--- a/docs/patching.md
+++ b/docs/patching.md
@@ -11,7 +11,7 @@ In addition to reporting errors as part of your regular compile phase, Error Pro
 error: [DeadException] Exception created but not thrown
     new RuntimeException();
     ^
-    (see http://errorprone.info/bugpattern/DeadException)
+    (see https://errorprone.info/bugpattern/DeadException)
   Did you mean 'throw new RuntimeException();'?
 1 error
 ```
diff --git a/docs/plugins.md b/docs/plugins.md
index 00631214f9d..3f2e0b56b38 100644
--- a/docs/plugins.md
+++ b/docs/plugins.md
@@ -97,7 +97,7 @@ dependencies {
 
 Plugin checkers can accept additional configuration flags by defining
 a single-argument constructor taking an `ErrorProneFlags` object (see
-the [flags docs](http://errorprone.info/docs/flags)).  However, note
+the [flags docs](https://errorprone.info/docs/flags)).  However, note
 that plugin checkers must also define a zero-argument constructor, as
 they are loaded by a `ServiceLoader`.  The actual checker instance
 used by Error Prone will be constructed using the `ErrorProneFlags`
diff --git a/docs/refaster.md b/docs/refaster.md
index 4745eca885b..16b30fe0b05 100644
--- a/docs/refaster.md
+++ b/docs/refaster.md
@@ -71,7 +71,7 @@ Use the Error Prone javac JAR and the Error Prone Refaster JAR to compile the
 Refaster template, using JDK 9 or newer:
 
 ```shell
-wget http://repo1.maven.org/maven2/com/google/errorprone/error_prone_refaster/2.3.1/error_prone_refaster-2.3.1.jar
+wget https://repo1.maven.org/maven2/com/google/errorprone/error_prone_refaster/2.3.1/error_prone_refaster-2.3.1.jar
 
 javac \
   -cp error_prone_refaster-2.3.1.jar \
diff --git a/index.md b/index.md
index 1001caf57c1..957ef5cade9 100644
--- a/index.md
+++ b/index.md
@@ -47,7 +47,7 @@ ShortSet.java:6: error: [CollectionIncompatibleType] Argument 'i - 1' should not
 its type int is not compatible with its collection's type argument Short
       s.remove(i - 1);
               ^
-    (see http://errorprone.info/bugpattern/CollectionIncompatibleType)
+    (see https://errorprone.info/bugpattern/CollectionIncompatibleType)
 1 error
 ```