Resuming 1.6.0 release.

PiperOrigin-RevId: 374257581
diff --git a/README.md b/README.md
index 4cfd334..6712d08 100644
--- a/README.md
+++ b/README.md
@@ -48,8 +48,8 @@
 [Java/Android](docs/JAVA-HOWTO.md), [C++](docs/CPP-HOWTO.md),
 [Obj-C](docs/OBJC-HOWTO.md), [Go](docs/GOLANG-HOWTO.md), and
 [Python](docs/PYTHON-HOWTO.md) are field tested and ready for production. The
-latest version is [1.5.0](https://github.com/google/tink/releases/tag/v1.5.0),
-released on 2020-10-13.
+latest version is [1.6.0](https://github.com/google/tink/releases/tag/v1.6.0),
+released on 2021-05-17.
 
 Javascript/Typescript is in an alpha state and should only be used for testing.
 
@@ -83,7 +83,7 @@
 <dependency>
   <groupId>com.google.crypto.tink</groupId>
   <artifactId>tink</artifactId>
-  <version>1.5.0</version>
+  <version>1.6.0</version>
 </dependency>
 ```
 
@@ -91,7 +91,7 @@
 
 ```
 dependencies {
-  implementation 'com.google.crypto.tink:tink-android:1.5.0'
+  implementation 'com.google.crypto.tink:tink-android:1.6.0'
 }
 ```
 
@@ -100,7 +100,7 @@
 ```sh
 cd /path/to/your/Xcode project/
 pod init
-pod 'Tink', '1.5.0'
+pod 'Tink', '1.6.0'
 pod install
 ```
 
diff --git a/apps/paymentmethodtoken/README.md b/apps/paymentmethodtoken/README.md
index 5e157b0..45728c2 100644
--- a/apps/paymentmethodtoken/README.md
+++ b/apps/paymentmethodtoken/README.md
@@ -3,9 +3,9 @@
 ## Latest release
 
 The most recent release is
-[1.5.0](https://github.com/google/tink/releases/tag/v1.5.0), released
-2020-10-13. API docs can be found
-[here](https://google.github.io/tink/javadoc/apps-paymentmethodtoken/1.5.0).
+[1.6.0](https://github.com/google/tink/releases/tag/v1.6.0), released
+2021-05-17. API docs can be found
+[here](https://google.github.io/tink/javadoc/apps-paymentmethodtoken/1.6.0).
 
 The Maven group ID is `com.google.crypto.tink`, and the artifact ID is
 `apps-paymentmethodtoken`.
@@ -16,7 +16,7 @@
 <dependency>
   <groupId>com.google.crypto.tink</groupId>
   <artifactId>apps-paymentmethodtoken</artifactId>
-  <version>1.5.0</version>
+  <version>1.6.0</version>
 </dependency>
 ```
 
diff --git a/apps/rewardedads/README.md b/apps/rewardedads/README.md
index 15a4f8f..471532d 100644
--- a/apps/rewardedads/README.md
+++ b/apps/rewardedads/README.md
@@ -6,9 +6,9 @@
 ## Latest Release
 
 The most recent release is
-[1.5.0](https://github.com/google/tink/releases/tag/v1.5.0), released
-2020-10-13. API docs can be found
-[here](https://google.github.io/tink/javadoc/apps-rewardedads/1.5.0).
+[1.6.0](https://github.com/google/tink/releases/tag/v1.6.0), released
+2021-05-17. API docs can be found
+[here](https://google.github.io/tink/javadoc/apps-rewardedads/1.6.0).
 
 The Maven group ID is `com.google.crypto.tink`, and the artifact ID is
 `apps-rewardedads`.
@@ -19,7 +19,7 @@
 <dependency>
   <groupId>com.google.crypto.tink</groupId>
   <artifactId>apps-rewardedads</artifactId>
-  <version>1.5.0</version>
+  <version>1.6.0</version>
 </dependency>
 ```
 
diff --git a/apps/webpush/README.md b/apps/webpush/README.md
index 4ef8eb3..cd6afa8 100644
--- a/apps/webpush/README.md
+++ b/apps/webpush/README.md
@@ -4,9 +4,9 @@
 Push](https://tools.ietf.org/html/rfc8291).
 
 The most recent release is
-[1.5.0](https://github.com/google/tink/releases/tag/v1.5.0), released
-2020-10-13. API docs can be found
-[here](https://google.github.io/tink/javadoc/apps-webpush/1.5.0).
+[1.6.0](https://github.com/google/tink/releases/tag/v1.6.0), released
+2021-05-17. API docs can be found
+[here](https://google.github.io/tink/javadoc/apps-webpush/1.6.0).
 
 ## Installation
 
@@ -16,7 +16,7 @@
 <dependency>
   <groupId>com.google.crypto.tink</groupId>
   <artifactId>apps-webpush</artifactId>
-  <version>1.4.0</version>
+  <version>1.6.0</version>
 </dependency>
 ```
 
@@ -24,7 +24,7 @@
 
 ```
 dependencies {
-  implementation 'com.google.crypto.tink:apps-webpush:1.4.0'
+  implementation 'com.google.crypto.tink:apps-webpush:1.6.0'
 }
 ```
 
diff --git a/cc/version_script.lds b/cc/version_script.lds
index 6b27163..cec4668 100644
--- a/cc/version_script.lds
+++ b/cc/version_script.lds
@@ -1,4 +1,4 @@
-VERS_1.5.0 {
+VERS_1.6.0 {
   global:
     *tink*;
     *absl*;
diff --git a/docs/JAVA-HOWTO.md b/docs/JAVA-HOWTO.md
index 0cba709..c6b9e24 100644
--- a/docs/JAVA-HOWTO.md
+++ b/docs/JAVA-HOWTO.md
@@ -9,8 +9,8 @@
 ## Setup instructions
 
 The most recent release is
-[1.5.0](https://github.com/google/tink/releases/tag/v1.5.0), released
-2020-07-13.
+[1.6.0](https://github.com/google/tink/releases/tag/v1.6.0), released
+2021-05-17.
 
 In addition to the versioned releases, snapshots of Tink are regularly built
 using the master branch of the Tink GitHub repository.
@@ -35,7 +35,7 @@
   <dependency>
     <groupId>com.google.crypto.tink</groupId>
     <artifactId>tink</artifactId>
-    <version>1.5.0</version>
+    <version>1.6.0</version>
   </dependency>
 </dependencies>
 ```
diff --git a/objc/CHANGELOG b/objc/CHANGELOG
index a054da2..fdc4ab5 100644
--- a/objc/CHANGELOG
+++ b/objc/CHANGELOG
@@ -1,6 +1,10 @@
+Version 1.6.0
+==================================
+Implement serializedKeysetNoSecret method on TINKKeysetHandle.
+
 Version 1.5.0
 ==================================
-Added support for accessGropus to TINKKeysetHandle.
+Added support for accessGroups to TINKKeysetHandle.
 Removed unused C++ dependencies.
 Merged https://github.com/google/tink/pull/434: fixing nullability issues.
 
diff --git a/python/VERSION b/python/VERSION
index 1d12d9e..f206807 100644
--- a/python/VERSION
+++ b/python/VERSION
@@ -1,2 +1,2 @@
 """ Version of the current release of Tink """
-TINK_VERSION_LABEL = "1.5.0"
+TINK_VERSION_LABEL = "1.6.0"
diff --git a/tink_version.bzl b/tink_version.bzl
index 1d12d9e..f206807 100644
--- a/tink_version.bzl
+++ b/tink_version.bzl
@@ -1,2 +1,2 @@
 """ Version of the current release of Tink """
-TINK_VERSION_LABEL = "1.5.0"
+TINK_VERSION_LABEL = "1.6.0"
diff --git a/tink_version.cmake b/tink_version.cmake
index cc50a5d..1ac69a5 100644
--- a/tink_version.cmake
+++ b/tink_version.cmake
@@ -1,2 +1,2 @@
 # Version of the current release of Tink.
-set(TINK_VERSION_LABEL 1.5.0)
+set(TINK_VERSION_LABEL 1.6.0)