diff --git a/benchmarks/funccall/pom.xml b/benchmarks/funccall/pom.xml
index aef9bf9..3366504 100644
--- a/benchmarks/funccall/pom.xml
+++ b/benchmarks/funccall/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>com.yasuenag</groupId>
             <artifactId>ffmasm</artifactId>
-            <version>0.4.0-SNAPSHOT</version>
+            <version>0.4.0</version>
         </dependency>
     </dependencies>
 
diff --git a/benchmarks/vectorapi/pom.xml b/benchmarks/vectorapi/pom.xml
index 6a50d15..d0c58fd 100644
--- a/benchmarks/vectorapi/pom.xml
+++ b/benchmarks/vectorapi/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>com.yasuenag</groupId>
             <artifactId>ffmasm</artifactId>
-            <version>0.4.0-SNAPSHOT</version>
+            <version>0.4.0</version>
         </dependency>
     </dependencies>
 
diff --git a/examples/cpumodel/pom.xml b/examples/cpumodel/pom.xml
index 4fccf52..ac9729c 100644
--- a/examples/cpumodel/pom.xml
+++ b/examples/cpumodel/pom.xml
@@ -41,7 +41,7 @@ along with ffmasm.  If not, see <http://www.gnu.org/licenses/>.
         <dependency>
             <groupId>com.yasuenag</groupId>
             <artifactId>ffmasm</artifactId>
-            <version>0.2.2</version>
+            <version>0.4.0</version>
         </dependency>
     </dependencies>
 
diff --git a/examples/perf/pom.xml b/examples/perf/pom.xml
index 67066cc..2d5ef08 100644
--- a/examples/perf/pom.xml
+++ b/examples/perf/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>com.yasuenag</groupId>
             <artifactId>ffmasm</artifactId>
-            <version>0.4.0-SNAPSHOT</version>
+            <version>0.4.0</version>
         </dependency>
     </dependencies>
 
diff --git a/pom.xml b/pom.xml
index 3a7d5b7..f06932c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@ along with ffmasm.  If not, see <http://www.gnu.org/licenses/>.
 
     <groupId>com.yasuenag</groupId>
     <artifactId>ffmasm</artifactId>
-    <version>0.4.0-SNAPSHOT</version>
+    <version>0.4.0</version>
     <packaging>jar</packaging>
 
     <name>ffmasm</name>