diff --git a/google-cloud-firestore-admin/pom.xml b/google-cloud-firestore-admin/pom.xml
index aea495c38..9fcd3ba72 100644
--- a/google-cloud-firestore-admin/pom.xml
+++ b/google-cloud-firestore-admin/pom.xml
@@ -4,7 +4,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-firestore-admin</artifactId>
-  <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore-admin:current} -->
+  <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore-admin:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Firestore Admin Client</name>
   <url>https://github.com/googleapis/java-firestore</url>
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-firestore-parent</artifactId>
-    <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+    <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/google-cloud-firestore-bom/pom.xml b/google-cloud-firestore-bom/pom.xml
index 7caabe024..4f8acc9b5 100644
--- a/google-cloud-firestore-bom/pom.xml
+++ b/google-cloud-firestore-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-firestore-bom</artifactId>
-  <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore-bom:current} -->
+  <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore-bom:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,37 +52,37 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-admin</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore-admin:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore-admin:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-firestore-admin-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:grpc-google-cloud-firestore-admin-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-firestore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-firestore-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:grpc-google-cloud-firestore-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-firestore-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-firestore-admin-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:proto-google-cloud-firestore-admin-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-firestore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-firestore-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:proto-google-cloud-firestore-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-firestore-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>proto-google-cloud-firestore-bundle-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:proto-google-cloud-firestore-bundle-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-firestore-bundle-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-firestore/pom.xml b/google-cloud-firestore/pom.xml
index 1946a1c85..aff727953 100644
--- a/google-cloud-firestore/pom.xml
+++ b/google-cloud-firestore/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <artifactId>google-cloud-firestore</artifactId>
-  <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+  <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Firestore</name>
   <url>https://github.com/googleapis/java-firestore</url>
@@ -12,7 +12,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-firestore-parent</artifactId>
-    <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+    <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-firestore</site.installationModule>
diff --git a/grpc-google-cloud-firestore-admin-v1/pom.xml b/grpc-google-cloud-firestore-admin-v1/pom.xml
index 8d402e275..3ffc32d0c 100644
--- a/grpc-google-cloud-firestore-admin-v1/pom.xml
+++ b/grpc-google-cloud-firestore-admin-v1/pom.xml
@@ -4,13 +4,13 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.google.api.grpc</groupId>
     <artifactId>grpc-google-cloud-firestore-admin-v1</artifactId>
-    <version>3.21.0</version><!-- {x-version-update:grpc-google-cloud-firestore-admin-v1:current} -->
+    <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-firestore-admin-v1:current} -->
     <name>grpc-google-cloud-firestore-admin-v1</name>
     <description>GRPC library for grpc-google-cloud-firestore-admin-v1</description>
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-parent</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
     </parent>
     <dependencies>
         <dependency>
diff --git a/grpc-google-cloud-firestore-v1/pom.xml b/grpc-google-cloud-firestore-v1/pom.xml
index 1d80fcac5..f84043629 100644
--- a/grpc-google-cloud-firestore-v1/pom.xml
+++ b/grpc-google-cloud-firestore-v1/pom.xml
@@ -4,13 +4,13 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.google.api.grpc</groupId>
     <artifactId>grpc-google-cloud-firestore-v1</artifactId>
-    <version>3.21.0</version><!-- {x-version-update:grpc-google-cloud-firestore-v1:current} -->
+    <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-firestore-v1:current} -->
     <name>grpc-google-cloud-firestore-v1</name>
     <description>GRPC library for grpc-google-cloud-firestore-v1</description>
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-parent</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
     </parent>
     <dependencies>
         <dependency>
diff --git a/pom.xml b/pom.xml
index 54b90dfbb..6b6848a88 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-firestore-parent</artifactId>
   <packaging>pom</packaging>
-  <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+  <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
   <name>Google Cloud Firestore Parent</name>
   <url>https://github.com/googleapis/java-firestore</url>
   <description>
@@ -150,32 +150,32 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-firestore-admin-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:proto-google-cloud-firestore-admin-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-firestore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>proto-google-cloud-firestore-bundle-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-firestore-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:proto-google-cloud-firestore-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-firestore-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-firestore-admin-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:grpc-google-cloud-firestore-admin-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-firestore-admin-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-firestore-v1</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:grpc-google-cloud-firestore-v1:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-firestore-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-firestore-admin-v1/pom.xml b/proto-google-cloud-firestore-admin-v1/pom.xml
index 15330edb4..6d19553b1 100644
--- a/proto-google-cloud-firestore-admin-v1/pom.xml
+++ b/proto-google-cloud-firestore-admin-v1/pom.xml
@@ -4,13 +4,13 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.google.api.grpc</groupId>
     <artifactId>proto-google-cloud-firestore-admin-v1</artifactId>
-    <version>3.21.0</version><!-- {x-version-update:proto-google-cloud-firestore-admin-v1:current} -->
+    <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-firestore-admin-v1:current} -->
     <name>proto-google-cloud-firestore-admin-v1</name>
     <description>PROTO library for proto-google-cloud-firestore-admin-v1</description>
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-parent</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
     </parent>
     <dependencies>
         <dependency>
diff --git a/proto-google-cloud-firestore-bundle-v1/pom.xml b/proto-google-cloud-firestore-bundle-v1/pom.xml
index c19532e91..a6db473fc 100644
--- a/proto-google-cloud-firestore-bundle-v1/pom.xml
+++ b/proto-google-cloud-firestore-bundle-v1/pom.xml
@@ -5,14 +5,14 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>proto-google-cloud-firestore-bundle-v1</artifactId>
-    <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+    <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
 
     <name>proto-google-cloud-firestore-bundle-v1</name>
     <description>PROTO library for proto-google-cloud-firestore-bundle-v1</description>
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-parent</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
     </parent>
     <dependencies>
         <dependency>
diff --git a/proto-google-cloud-firestore-v1/pom.xml b/proto-google-cloud-firestore-v1/pom.xml
index 6146903dc..2edc60ee9 100644
--- a/proto-google-cloud-firestore-v1/pom.xml
+++ b/proto-google-cloud-firestore-v1/pom.xml
@@ -4,13 +4,13 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.google.api.grpc</groupId>
     <artifactId>proto-google-cloud-firestore-v1</artifactId>
-    <version>3.21.0</version><!-- {x-version-update:proto-google-cloud-firestore-v1:current} -->
+    <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-firestore-v1:current} -->
     <name>proto-google-cloud-firestore-v1</name>
     <description>PROTO library for proto-google-cloud-firestore-v1</description>
     <parent>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-parent</artifactId>
-        <version>3.21.0</version><!-- {x-version-update:google-cloud-firestore:current} -->
+        <version>3.21.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-firestore:current} -->
     </parent>
     <dependencies>
         <dependency>
diff --git a/versions.txt b/versions.txt
index 02bec59be..617f5af13 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,11 +1,11 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-firestore:3.21.0:3.21.0
-google-cloud-firestore-admin:3.21.0:3.21.0
-google-cloud-firestore-bom:3.21.0:3.21.0
-grpc-google-cloud-firestore-admin-v1:3.21.0:3.21.0
-grpc-google-cloud-firestore-v1:3.21.0:3.21.0
-proto-google-cloud-firestore-admin-v1:3.21.0:3.21.0
-proto-google-cloud-firestore-v1:3.21.0:3.21.0
-proto-google-cloud-firestore-bundle-v1:3.21.0:3.21.0
+google-cloud-firestore:3.21.0:3.21.1-SNAPSHOT
+google-cloud-firestore-admin:3.21.0:3.21.1-SNAPSHOT
+google-cloud-firestore-bom:3.21.0:3.21.1-SNAPSHOT
+grpc-google-cloud-firestore-admin-v1:3.21.0:3.21.1-SNAPSHOT
+grpc-google-cloud-firestore-v1:3.21.0:3.21.1-SNAPSHOT
+proto-google-cloud-firestore-admin-v1:3.21.0:3.21.1-SNAPSHOT
+proto-google-cloud-firestore-v1:3.21.0:3.21.1-SNAPSHOT
+proto-google-cloud-firestore-bundle-v1:3.21.0:3.21.1-SNAPSHOT