diff --git a/commons/pom.xml b/commons/pom.xml
index d1b93036..21011032 100644
--- a/commons/pom.xml
+++ b/commons/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.archive</groupId>
 		<artifactId>heritrix</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0-20210621</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.archive.heritrix</groupId>
diff --git a/contrib/pom.xml b/contrib/pom.xml
index ddf2b0c4..37642896 100644
--- a/contrib/pom.xml
+++ b/contrib/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.archive</groupId>
 		<artifactId>heritrix</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0-20210621</version>
 	</parent>
 	<groupId>org.archive.heritrix</groupId>
 	<artifactId>heritrix-contrib</artifactId>
diff --git a/dist/pom.xml b/dist/pom.xml
index 9a7ddc07..609889df 100644
--- a/dist/pom.xml
+++ b/dist/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.archive</groupId>
 		<artifactId>heritrix</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0-20210621</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.archive.heritrix</groupId>
diff --git a/engine/pom.xml b/engine/pom.xml
index 525296bc..cb0c8379 100644
--- a/engine/pom.xml
+++ b/engine/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.archive</groupId>
 		<artifactId>heritrix</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0-20210621</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.archive.heritrix</groupId>
diff --git a/modules/pom.xml b/modules/pom.xml
index 93bf30e1..14de9eb5 100644
--- a/modules/pom.xml
+++ b/modules/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>org.archive</groupId>
 		<artifactId>heritrix</artifactId>
-		<version>3.4.0-SNAPSHOT</version>
+		<version>3.4.0-20210621</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.archive.heritrix</groupId>
diff --git a/pom.xml b/pom.xml
index 15c23703..d54a6bf9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@ http://maven.apache.org/guides/mini/guide-m1-m2.html
 	<groupId>org.archive</groupId>
 	<!--This project is parent to all under 'projects' subdirectory-->
 	<artifactId>heritrix</artifactId>
-	<version>3.4.0-SNAPSHOT</version>
+	<version>3.4.0-20210621</version>
 	<packaging>pom</packaging>
 	<name>Heritrix 3</name>
 	<description>
@@ -32,7 +32,7 @@ http://maven.apache.org/guides/mini/guide-m1-m2.html
        <connection>scm:git:https://github.com/internetarchive/heritrix3.git</connection>
        <developerConnection>scm:git:https://github.com/internetarchive/heritrix3.git</developerConnection>
        <url>https://github.com/internetarchive/heritrix3</url>
-      <tag>HEAD</tag>
+      <tag>3.4.0-20210621</tag>
   </scm>            
 
 	<licenses>