diff --git a/io.joel.tck/pom.xml b/io.joel.tck/pom.xml
index 797bc36..554fda6 100644
--- a/io.joel.tck/pom.xml
+++ b/io.joel.tck/pom.xml
@@ -7,11 +7,10 @@
     <parent>
         <groupId>io.joel</groupId>
         <artifactId>parent</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>1.0.0-M1</version>
     </parent>
 
     <artifactId>io.joel.tck</artifactId>
-    <version>1.0-SNAPSHOT</version>
 
     <dependencies>
         <dependency>
diff --git a/io.joel.tests/pom.xml b/io.joel.tests/pom.xml
index 3e8c393..753a2e8 100644
--- a/io.joel.tests/pom.xml
+++ b/io.joel.tests/pom.xml
@@ -5,11 +5,10 @@
     <parent>
         <groupId>io.joel</groupId>
         <artifactId>parent</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>1.0.0-M1</version>
     </parent>
 
     <artifactId>io.joel.tests</artifactId>
-    <version>1.0-SNAPSHOT</version>
 
     <dependencies>
         <dependency>
diff --git a/io.joel/pom.xml b/io.joel/pom.xml
index 2c7d0c3..f570795 100644
--- a/io.joel/pom.xml
+++ b/io.joel/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.joel</groupId>
         <artifactId>parent</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>1.0.0-M1</version>
     </parent>
 
     <artifactId>io.joel</artifactId>
@@ -14,7 +14,7 @@
         <dependency>
             <groupId>io.joel</groupId>
             <artifactId>jakarta.el</artifactId>
-            <version>1.0-SNAPSHOT</version>
+            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>org.antlr</groupId>
diff --git a/jakarta.el/pom.xml b/jakarta.el/pom.xml
index 482bc23..cec9dc0 100644
--- a/jakarta.el/pom.xml
+++ b/jakarta.el/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.joel</groupId>
         <artifactId>parent</artifactId>
-        <version>1.0-SNAPSHOT</version>
+        <version>1.0.0-M1</version>
     </parent>
 
     <artifactId>jakarta.el</artifactId>
diff --git a/pom.xml b/pom.xml
index ec8266b..392bb2c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>io.joel</groupId>
     <artifactId>parent</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0-M1</version>
     <packaging>pom</packaging>
 
     <modules>
diff --git a/tck/pom.xml b/tck/pom.xml
index b38c2aa..32d8f7a 100644
--- a/tck/pom.xml
+++ b/tck/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>io.joel</groupId>
     <artifactId>tck</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0-M1</version>
 
     <properties>
         <ant.home>${project.build.directory}/ant</ant.home>
@@ -107,14 +107,14 @@
                                 <artifactItem>
                                     <groupId>io.joel</groupId>
                                     <artifactId>io.joel</artifactId>
-                                    <version>1.0-SNAPSHOT</version>
+                                    <version>1.0.0-M1</version>
                                     <outputDirectory>${work.home}/jars</outputDirectory>
                                     <destFileName>jakarta.el.jar</destFileName>
                                 </artifactItem>
                                 <artifactItem>
                                     <groupId>io.joel</groupId>
                                     <artifactId>jakarta.el</artifactId>
-                                    <version>1.0-SNAPSHOT</version>
+                                    <version>1.0.0-M1</version>
                                     <outputDirectory>${work.home}/jars</outputDirectory>
                                     <destFileName>jakarta.el-api.jar</destFileName>
                                 </artifactItem>