diff --git a/geo-mem/pom.xml b/geo-mem/pom.xml
index 390b460..1e848ab 100644
--- a/geo-mem/pom.xml
+++ b/geo-mem/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.github.davidmoten</groupId>
 		<artifactId>geo-parent</artifactId>
-		<version>0.8.1-SNAPSHOT</version>
+		<version>0.8.1</version>
 	</parent>
 	<artifactId>geo-mem</artifactId>
 	<name>${project.artifactId}</name>
diff --git a/geo/pom.xml b/geo/pom.xml
index 3de2b59..256a3a9 100644
--- a/geo/pom.xml
+++ b/geo/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.davidmoten</groupId>
         <artifactId>geo-parent</artifactId>
-        <version>0.8.1-SNAPSHOT</version>
+        <version>0.8.1</version>
     </parent>
     <artifactId>geo</artifactId>
     <name>${project.artifactId}</name>
diff --git a/pom.xml b/pom.xml
index 3c130ab..5cbd38b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
         <version>0.1</version>
     </parent>
     <artifactId>geo-parent</artifactId>
-    <version>0.8.1-SNAPSHOT</version>
+    <version>0.8.1</version>
     <packaging>pom</packaging>
     <properties>
         <flatbuffers.version>1.3.0</flatbuffers.version>
@@ -73,7 +73,7 @@
         <connection>${scm.url}</connection>
         <developerConnection>${scm.url}</developerConnection>
         <url>${scm.url}</url>
-        <tag>HEAD</tag>
+        <tag>0.8.1</tag>
     </scm>
 
     <modules>