diff --git a/gcflow/pom.xml b/gcflow/pom.xml
index 347db6c..8f3e259 100644
--- a/gcflow/pom.xml
+++ b/gcflow/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/mxdump/pom.xml b/mxdump/pom.xml
index 525b34e..6ae9f3f 100644
--- a/mxdump/pom.xml
+++ b/mxdump/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/pom.xml b/pom.xml
index 1366fbf..01bde29 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
   <groupId>org.gridkit.jvmtool</groupId>
   <artifactId>jvmtool-umbrella-pom</artifactId>
-  <version>0.21</version>
+  <version>0.22-SNAPSHOT</version>
   <name>${project.groupId}::${project.artifactId}</name>
   <description>JVM tools, parent project</description>
   <packaging>pom</packaging>
@@ -69,7 +69,7 @@
     <connection>scm:git:https://github.com/aragozin/jvm-tools.git</connection>
     <developerConnection>scm:git:https://github.com/aragozin/jvm-tools.git</developerConnection>
     <url>https://github.com/aragozin/jvm-tools</url>
-    <tag>jvmtool-umbrella-pom-0.21</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <dependencyManagement>
diff --git a/sjk-agent/pom.xml b/sjk-agent/pom.xml
index 64f11d5..7455287 100644
--- a/sjk-agent/pom.xml
+++ b/sjk-agent/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-cli/pom.xml b/sjk-cli/pom.xml
index 7db8a9b..0c751e7 100644
--- a/sjk-cli/pom.xml
+++ b/sjk-cli/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-core/pom.xml b/sjk-core/pom.xml
index f580289..68e38e5 100644
--- a/sjk-core/pom.xml
+++ b/sjk-core/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-hflame/pom.xml b/sjk-hflame/pom.xml
index 55879f6..b4b5aec 100644
--- a/sjk-hflame/pom.xml
+++ b/sjk-hflame/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-json/pom.xml b/sjk-json/pom.xml
index 5e5bfa6..d1f5b06 100644
--- a/sjk-json/pom.xml
+++ b/sjk-json/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-plus/pom.xml b/sjk-plus/pom.xml
index d00d7f4..aa51ded 100644
--- a/sjk-plus/pom.xml
+++ b/sjk-plus/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-stacktrace/pom.xml b/sjk-stacktrace/pom.xml
index 3d5e6d6..9be06aa 100644
--- a/sjk-stacktrace/pom.xml
+++ b/sjk-stacktrace/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-test/pom.xml b/sjk-test/pom.xml
index d596b95..baa71c9 100644
--- a/sjk-test/pom.xml
+++ b/sjk-test/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk-win32/pom.xml b/sjk-win32/pom.xml
index 1e0763a..a00d200 100644
--- a/sjk-win32/pom.xml
+++ b/sjk-win32/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/sjk/pom.xml b/sjk/pom.xml
index 11802ed..e9ce905 100644
--- a/sjk/pom.xml
+++ b/sjk/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/ygc-bench/pom.xml b/ygc-bench/pom.xml
index c8cc84e..10067d5 100644
--- a/ygc-bench/pom.xml
+++ b/ygc-bench/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.gridkit.jvmtool</groupId>
     <artifactId>jvmtool-umbrella-pom</artifactId>
-    <version>0.21</version>
+    <version>0.22-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>