Prepare for dartdoc 2.0.0 (#2754)

* Prepare for dartdoc 2.0.0

* Update changelog for additional bugfix
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9a32e1..e47033a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 2.0.0
+* BREAKING CHANGE: changes to dartdoc options API
+  to prepare for NNBD migration (#2745, #2744).
+* Fix unbound type reference in extension method comment
+  reference creating a null dereference (#2741, #2740)
+* Update to analyzer 2.0. (#2734)
+* Fix comment references on generic typedefs in new
+  lookup code. (#2755, #2756)
+
 ## 1.0.2
 
 * Fix where extensions header in library sidebar linked to the
diff --git a/dartdoc_options.yaml b/dartdoc_options.yaml
index 1f6e65a..242689d 100644
--- a/dartdoc_options.yaml
+++ b/dartdoc_options.yaml
@@ -1,4 +1,4 @@
 dartdoc:
   linkToSource:
     root: '.'
-    uriTemplate: 'https://github.com/dart-lang/dartdoc/blob/v1.0.2/%f%#L%l%'
+    uriTemplate: 'https://github.com/dart-lang/dartdoc/blob/v2.0.0/%f%#L%l%'
diff --git a/lib/src/version.dart b/lib/src/version.dart
index b0e99a5..0e58df3 100644
--- a/lib/src/version.dart
+++ b/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '1.0.2';
+const packageVersion = '2.0.0';
diff --git a/pubspec.yaml b/pubspec.yaml
index d9d6e1e..7610241 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dartdoc
 # Run `grind build` after updating.
-version: 1.0.2
+version: 2.0.0
 description: A non-interactive HTML documentation generator for Dart source code.
 homepage: https://github.com/dart-lang/dartdoc
 environment: