diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
new file mode 100644
index 0000000..2144819
--- /dev/null
+++ b/.github/dependabot.yaml
@@ -0,0 +1,8 @@
+# Dependabot configuration file.
+version: 2
+
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1fd21e..6f230c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,8 +21,8 @@ jobs:
       matrix:
         sdk: [dev]
     steps:
-      - uses: actions/checkout@v2
-      - uses: dart-lang/setup-dart@v1.0
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+      - uses: dart-lang/setup-dart@6a218f2413a3e78e9087f638a238f6b40893203d
         with:
           sdk: ${{ matrix.sdk }}
       - id: install
@@ -48,8 +48,8 @@ jobs:
         os: [ubuntu-latest]
         sdk: [2.12.0, dev]
     steps:
-      - uses: actions/checkout@v2
-      - uses: dart-lang/setup-dart@v1.0
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+      - uses: dart-lang/setup-dart@6a218f2413a3e78e9087f638a238f6b40893203d
         with:
           sdk: ${{ matrix.sdk }}
       - id: install
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea92e11..a3ce638 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,6 @@
-## 1.17.0-dev
+## 1.17.0
 
 * Add `Iterable.elementAtOrNull` and `List.elementAtOrNull` extension methods.
-
 * Add a top-level `lastBy()` function that converts an `Iterable` to a `Map` by
   grouping its elements using a function, keeping the last element for each
   computed key. Also available as an extension method on `Iterable`.
diff --git a/README.md b/README.md
index e7bd21d..9f66acf 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+[![Dart CI](https://github.com/dart-lang/collection/actions/workflows/ci.yml/badge.svg)](https://github.com/dart-lang/collection/actions/workflows/ci.yml)
+[![pub package](https://img.shields.io/pub/v/collection.svg)](https://pub.dev/packages/collection)
+[![package publisher](https://img.shields.io/pub/publisher/collection.svg)](https://pub.dev/packages/collection/publisher)
+
 Contains utility functions and classes in the style of `dart:collection` to make
 working with collections easier.
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 07a5fa1..50c30bf 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,5 @@
 name: collection
-version: 1.17.0-dev
-
+version: 1.17.0
 description: Collections and utilities functions and classes related to collections.
 repository: https://github.com/dart-lang/collection