diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 97f908654f..2c6cdd65be 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>benchmarks</artifactId>
diff --git a/pom.xml b/pom.xml
index afc098fef8..34fa8c4c8e 100755
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
   <groupId>io.zipkin</groupId>
   <artifactId>zipkin-parent</artifactId>
-  <version>3.1.1-SNAPSHOT</version>
+  <version>3.1.1</version>
   <packaging>pom</packaging>
 
   <modules>
@@ -134,7 +134,7 @@
     <url>https://github.com/openzipkin/zipkin</url>
     <connection>scm:git:https://github.com/openzipkin/zipkin.git</connection>
     <developerConnection>scm:git:https://github.com/openzipkin/zipkin.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>3.1.1</tag>
   </scm>
 
   <!-- Developer section is needed for Maven Central, but doesn't need to include each person -->
diff --git a/zipkin-collector/activemq/pom.xml b/zipkin-collector/activemq/pom.xml
index 2ecefddf0f..450e5aa458 100644
--- a/zipkin-collector/activemq/pom.xml
+++ b/zipkin-collector/activemq/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-collector-activemq</artifactId>
diff --git a/zipkin-collector/core/pom.xml b/zipkin-collector/core/pom.xml
index d4ceeb1780..17a02443b4 100644
--- a/zipkin-collector/core/pom.xml
+++ b/zipkin-collector/core/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-collector</artifactId>
diff --git a/zipkin-collector/kafka/pom.xml b/zipkin-collector/kafka/pom.xml
index c8f35fe9c3..a48ff3d5d8 100644
--- a/zipkin-collector/kafka/pom.xml
+++ b/zipkin-collector/kafka/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-collector-kafka</artifactId>
diff --git a/zipkin-collector/pom.xml b/zipkin-collector/pom.xml
index db964ad865..0221cc8b48 100644
--- a/zipkin-collector/pom.xml
+++ b/zipkin-collector/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin-collector/rabbitmq/pom.xml b/zipkin-collector/rabbitmq/pom.xml
index 421006bd41..7508dfcf62 100644
--- a/zipkin-collector/rabbitmq/pom.xml
+++ b/zipkin-collector/rabbitmq/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-collector-rabbitmq</artifactId>
diff --git a/zipkin-collector/scribe/pom.xml b/zipkin-collector/scribe/pom.xml
index 3028d3f757..7d4b61092b 100644
--- a/zipkin-collector/scribe/pom.xml
+++ b/zipkin-collector/scribe/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-collector-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-collector-scribe</artifactId>
diff --git a/zipkin-junit5/pom.xml b/zipkin-junit5/pom.xml
index 9138a61b32..0d735749f5 100644
--- a/zipkin-junit5/pom.xml
+++ b/zipkin-junit5/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin-lens/pom.xml b/zipkin-lens/pom.xml
index 0b011e5a61..b930ff84b4 100644
--- a/zipkin-lens/pom.xml
+++ b/zipkin-lens/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-lens</artifactId>
diff --git a/zipkin-server/pom.xml b/zipkin-server/pom.xml
index d7318a0a1c..eb9f217421 100644
--- a/zipkin-server/pom.xml
+++ b/zipkin-server/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-server</artifactId>
diff --git a/zipkin-storage/cassandra/pom.xml b/zipkin-storage/cassandra/pom.xml
index 417887e2be..e85f01a066 100644
--- a/zipkin-storage/cassandra/pom.xml
+++ b/zipkin-storage/cassandra/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-storage-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-storage-cassandra</artifactId>
diff --git a/zipkin-storage/elasticsearch/pom.xml b/zipkin-storage/elasticsearch/pom.xml
index bdb5a4fcc9..4bd0768428 100644
--- a/zipkin-storage/elasticsearch/pom.xml
+++ b/zipkin-storage/elasticsearch/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-storage-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-storage-elasticsearch</artifactId>
diff --git a/zipkin-storage/mysql-v1/pom.xml b/zipkin-storage/mysql-v1/pom.xml
index 0419e6db6c..a014483aa1 100644
--- a/zipkin-storage/mysql-v1/pom.xml
+++ b/zipkin-storage/mysql-v1/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin.zipkin2</groupId>
     <artifactId>zipkin-storage-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <artifactId>zipkin-storage-mysql-v1</artifactId>
diff --git a/zipkin-storage/pom.xml b/zipkin-storage/pom.xml
index 962dd107c2..a4a4d2af1d 100644
--- a/zipkin-storage/pom.xml
+++ b/zipkin-storage/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin-tests/pom.xml b/zipkin-tests/pom.xml
index f33ef72fd2..6e0ba45a39 100644
--- a/zipkin-tests/pom.xml
+++ b/zipkin-tests/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>
diff --git a/zipkin/pom.xml b/zipkin/pom.xml
index 06bc5bfb2e..3af9e2331d 100644
--- a/zipkin/pom.xml
+++ b/zipkin/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>io.zipkin</groupId>
     <artifactId>zipkin-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>3.1.1</version>
   </parent>
 
   <groupId>io.zipkin.zipkin2</groupId>