diff --git a/eo-maven-plugin/pom.xml b/eo-maven-plugin/pom.xml
index 64a4374658..2ef14a55a7 100644
--- a/eo-maven-plugin/pom.xml
+++ b/eo-maven-plugin/pom.xml
@@ -27,7 +27,7 @@ SOFTWARE.
   <parent>
     <groupId>org.eolang</groupId>
     <artifactId>eo-parent</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>0.39.0</version>
   </parent>
   <artifactId>eo-maven-plugin</artifactId>
   <packaging>maven-plugin</packaging>
diff --git a/eo-parser/pom.xml b/eo-parser/pom.xml
index 677634d48d..62d21e9879 100644
--- a/eo-parser/pom.xml
+++ b/eo-parser/pom.xml
@@ -27,7 +27,7 @@ SOFTWARE.
   <parent>
     <groupId>org.eolang</groupId>
     <artifactId>eo-parent</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>0.39.0</version>
   </parent>
   <artifactId>eo-parser</artifactId>
   <packaging>jar</packaging>
diff --git a/eo-runtime/pom.xml b/eo-runtime/pom.xml
index 16c6a885ed..9fdf903d38 100644
--- a/eo-runtime/pom.xml
+++ b/eo-runtime/pom.xml
@@ -27,7 +27,7 @@ SOFTWARE.
   <parent>
     <groupId>org.eolang</groupId>
     <artifactId>eo-parent</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>0.39.0</version>
   </parent>
   <artifactId>eo-runtime</artifactId>
   <packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index 6f65a0649e..acf4a2a393 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@ SOFTWARE.
   </parent>
   <groupId>org.eolang</groupId>
   <artifactId>eo-parent</artifactId>
-  <version>1.0-SNAPSHOT</version>
+  <version>0.39.0</version>
   <packaging>pom</packaging>
   <name>eo</name>
   <modules>