diff --git a/kool-json/pom.xml b/kool-json/pom.xml
index 6e202be..741df35 100644
--- a/kool-json/pom.xml
+++ b/kool-json/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.davidmoten</groupId>
         <artifactId>kool-parent</artifactId>
-        <version>0.1.28-SNAPSHOT</version>
+        <version>0.1.28</version>
     </parent>
     <artifactId>kool-json</artifactId>
     <name>${project.artifactId}</name>
diff --git a/kool/pom.xml b/kool/pom.xml
index 6ed4262..c0e100d 100644
--- a/kool/pom.xml
+++ b/kool/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.github.davidmoten</groupId>
         <artifactId>kool-parent</artifactId>
-        <version>0.1.28-SNAPSHOT</version>
+        <version>0.1.28</version>
     </parent>
     <artifactId>kool</artifactId>
     <name>${project.artifactId}</name>
diff --git a/pom.xml b/pom.xml
index b98b3dd..0c778ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
         <version>0.1</version>
     </parent>
     <artifactId>kool-parent</artifactId>
-    <version>0.1.28-SNAPSHOT</version>
+    <version>0.1.28</version>
     <name>${project.artifactId}</name>
     <description>Streaming library supporting reuse and many operators</description>
     <packaging>pom</packaging>
@@ -71,7 +71,7 @@
         <connection>scm:git:https://github.com/davidmoten/kool.git</connection>
         <developerConnection>scm:git:https://github.com/davidmoten/kool.git</developerConnection>
         <url>scm:git:https://github.com:davidmoten/kool.git</url>
-        <tag>HEAD</tag>
+        <tag>0.1.28</tag>
     </scm>
 
     <modules>