diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d07b2db..378ae6cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [2.1.6](https://www.github.com/googleapis/java-document-ai/compare/v2.1.5...v2.1.6) (2021-10-05)
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-storage to v2.1.7 ([#656](https://www.github.com/googleapis/java-document-ai/issues/656)) ([fc6ff9d](https://www.github.com/googleapis/java-document-ai/commit/fc6ff9d39fe15d93be3462013a3fb74f46ad92bd))
+
 ### [2.1.5](https://www.github.com/googleapis/java-document-ai/compare/v2.1.4...v2.1.5) (2021-09-29)
 
 
diff --git a/google-cloud-document-ai-bom/pom.xml b/google-cloud-document-ai-bom/pom.xml
index d49139d9..0488b6a1 100644
--- a/google-cloud-document-ai-bom/pom.xml
+++ b/google-cloud-document-ai-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-document-ai-bom</artifactId>
-  <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+  <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -50,47 +50,47 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-document-ai</artifactId>
-        <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-document-ai:current} -->
+        <version>2.1.6</version><!-- {x-version-update:google-cloud-document-ai:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta1</artifactId>
-        <version>0.13.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
+        <version>0.13.6</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta2</artifactId>
-        <version>0.13.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
+        <version>0.13.6</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta3</artifactId>
-        <version>0.13.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1beta3:current} -->
+        <version>0.13.6</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1beta3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1</artifactId>
-        <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1:current} -->
+        <version>2.1.6</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta1</artifactId>
-        <version>0.13.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
+        <version>0.13.6</version><!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta2</artifactId>
-        <version>0.13.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
+        <version>0.13.6</version><!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta3</artifactId>
-        <version>0.13.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-document-ai-v1beta3:current} -->
+        <version>0.13.6</version><!-- {x-version-update:proto-google-cloud-document-ai-v1beta3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1</artifactId>
-        <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-document-ai-v1:current} -->
+        <version>2.1.6</version><!-- {x-version-update:proto-google-cloud-document-ai-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-document-ai/pom.xml b/google-cloud-document-ai/pom.xml
index 50054524..ce2202cb 100644
--- a/google-cloud-document-ai/pom.xml
+++ b/google-cloud-document-ai/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-document-ai</artifactId>
-  <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+  <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Document AI</name>
   <url>https://github.com/googleapis/java-document-ai</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-document-ai</site.installationModule>
diff --git a/grpc-google-cloud-document-ai-v1/pom.xml b/grpc-google-cloud-document-ai-v1/pom.xml
index e429f164..a63fd902 100644
--- a/grpc-google-cloud-document-ai-v1/pom.xml
+++ b/grpc-google-cloud-document-ai-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-document-ai-v1</artifactId>
-  <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1:current} -->
+  <version>2.1.6</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1:current} -->
   <name>grpc-google-cloud-document-ai-v1</name>
   <description>GRPC library for google-cloud-document-ai</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version><!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-document-ai-v1beta1/pom.xml b/grpc-google-cloud-document-ai-v1beta1/pom.xml
index ff5a64d5..d241d9aa 100644
--- a/grpc-google-cloud-document-ai-v1beta1/pom.xml
+++ b/grpc-google-cloud-document-ai-v1beta1/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-document-ai-v1beta1</artifactId>
-  <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
+  <version>0.13.6</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
   <name>grpc-google-cloud-document-ai-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-document-ai-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-document-ai-v1beta2/pom.xml b/grpc-google-cloud-document-ai-v1beta2/pom.xml
index afee4487..a7b13846 100644
--- a/grpc-google-cloud-document-ai-v1beta2/pom.xml
+++ b/grpc-google-cloud-document-ai-v1beta2/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-document-ai-v1beta2</artifactId>
-  <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
+  <version>0.13.6</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
   <name>grpc-google-cloud-document-ai-v1beta2</name>
   <description>GRPC library for grpc-google-cloud-document-ai-v1beta2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-document-ai-v1beta3/pom.xml b/grpc-google-cloud-document-ai-v1beta3/pom.xml
index 3f1c81e1..957ec28d 100644
--- a/grpc-google-cloud-document-ai-v1beta3/pom.xml
+++ b/grpc-google-cloud-document-ai-v1beta3/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-document-ai-v1beta3</artifactId>
-  <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta3:current} -->
+  <version>0.13.6</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta3:current} -->
   <name>grpc-google-cloud-document-ai-v1beta3</name>
   <description>GRPC library for grpc-google-cloud-document-ai-v1beta3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 970be23b..1e67eaa8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-document-ai-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+  <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   <name>Google Cloud Document AI Parent</name>
   <url>https://github.com/googleapis/java-document-ai</url>
   <description>
@@ -61,47 +61,47 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta1</artifactId>
-        <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
+        <version>0.13.6</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1</artifactId>
-        <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-document-ai-v1:current} -->
+        <version>2.1.6</version><!-- {x-version-update:proto-google-cloud-document-ai-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1</artifactId>
-        <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1:current} -->
+        <version>2.1.6</version><!-- {x-version-update:grpc-google-cloud-document-ai-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-document-ai</artifactId>
-        <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-document-ai:current} -->
+        <version>2.1.6</version><!-- {x-version-update:google-cloud-document-ai:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta2</artifactId>
-        <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
+        <version>0.13.6</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-document-ai-v1beta3</artifactId>
-        <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta3:current} -->
+        <version>0.13.6</version> <!-- {x-version-update:grpc-google-cloud-document-ai-v1beta3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta1</artifactId>
-        <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
+        <version>0.13.6</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta2</artifactId>
-        <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
+        <version>0.13.6</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-document-ai-v1beta3</artifactId>
-        <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta3:current} -->
+        <version>0.13.6</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta3:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-document-ai-v1/pom.xml b/proto-google-cloud-document-ai-v1/pom.xml
index 90736a03..d5804f99 100644
--- a/proto-google-cloud-document-ai-v1/pom.xml
+++ b/proto-google-cloud-document-ai-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-document-ai-v1</artifactId>
-  <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-document-ai-v1:current} -->
+  <version>2.1.6</version><!-- {x-version-update:proto-google-cloud-document-ai-v1:current} -->
   <name>proto-google-cloud-document-ai-v1</name>
   <description>Proto library for google-cloud-document-ai</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version><!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-document-ai-v1beta1/pom.xml b/proto-google-cloud-document-ai-v1beta1/pom.xml
index cc458037..b790fde6 100644
--- a/proto-google-cloud-document-ai-v1beta1/pom.xml
+++ b/proto-google-cloud-document-ai-v1beta1/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-document-ai-v1beta1</artifactId>
-  <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
+  <version>0.13.6</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta1:current} -->
   <name>proto-google-cloud-document-ai-v1beta1</name>
   <description>PROTO library for proto-google-cloud-document-ai-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-document-ai-v1beta2/pom.xml b/proto-google-cloud-document-ai-v1beta2/pom.xml
index c6cf9b10..15d95ca2 100644
--- a/proto-google-cloud-document-ai-v1beta2/pom.xml
+++ b/proto-google-cloud-document-ai-v1beta2/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-document-ai-v1beta2</artifactId>
-  <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
+  <version>0.13.6</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta2:current} -->
   <name>proto-google-cloud-document-ai-v1beta2</name>
   <description>PROTO library for proto-google-cloud-document-ai-v1beta2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-document-ai-v1beta3/pom.xml b/proto-google-cloud-document-ai-v1beta3/pom.xml
index 633f2064..abcdfd37 100644
--- a/proto-google-cloud-document-ai-v1beta3/pom.xml
+++ b/proto-google-cloud-document-ai-v1beta3/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-document-ai-v1beta3</artifactId>
-  <version>0.13.6-SNAPSHOT</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta3:current} -->
+  <version>0.13.6</version> <!-- {x-version-update:proto-google-cloud-document-ai-v1beta3:current} -->
   <name>proto-google-cloud-document-ai-v1beta3</name>
   <description>PROTO library for proto-google-cloud-document-ai-v1beta3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-document-ai-parent</artifactId>
-    <version>2.1.6-SNAPSHOT</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
+    <version>2.1.6</version> <!-- {x-version-update:google-cloud-document-ai:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 7ccb2620..40d2c001 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,12 +1,12 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-document-ai:2.1.5:2.1.6-SNAPSHOT
-grpc-google-cloud-document-ai-v1beta1:0.13.5:0.13.6-SNAPSHOT
-grpc-google-cloud-document-ai-v1beta2:0.13.5:0.13.6-SNAPSHOT
-grpc-google-cloud-document-ai-v1beta3:0.13.5:0.13.6-SNAPSHOT
-grpc-google-cloud-document-ai-v1:2.1.5:2.1.6-SNAPSHOT
-proto-google-cloud-document-ai-v1beta1:0.13.5:0.13.6-SNAPSHOT
-proto-google-cloud-document-ai-v1beta2:0.13.5:0.13.6-SNAPSHOT
-proto-google-cloud-document-ai-v1beta3:0.13.5:0.13.6-SNAPSHOT
-proto-google-cloud-document-ai-v1:2.1.5:2.1.6-SNAPSHOT
+google-cloud-document-ai:2.1.6:2.1.6
+grpc-google-cloud-document-ai-v1beta1:0.13.6:0.13.6
+grpc-google-cloud-document-ai-v1beta2:0.13.6:0.13.6
+grpc-google-cloud-document-ai-v1beta3:0.13.6:0.13.6
+grpc-google-cloud-document-ai-v1:2.1.6:2.1.6
+proto-google-cloud-document-ai-v1beta1:0.13.6:0.13.6
+proto-google-cloud-document-ai-v1beta2:0.13.6:0.13.6
+proto-google-cloud-document-ai-v1beta3:0.13.6:0.13.6
+proto-google-cloud-document-ai-v1:2.1.6:2.1.6