diff --git a/checker/pom.xml b/checker/pom.xml
index fff73cb92..c54b52571 100644
--- a/checker/pom.xml
+++ b/checker/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <artifactId>py2eo</artifactId>
         <groupId>org.polystat</groupId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.20</version>
     </parent>
     <groupId>org.polystat.py2eo</groupId>
     <artifactId>checker</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.20</version>
     <name>checker</name>
 
     <properties>
@@ -23,12 +23,12 @@
         <dependency>
             <groupId>org.polystat.py2eo</groupId>
             <artifactId>parser</artifactId>
-            <version>0.0.1-SNAPSHOT</version>
+            <version>0.0.20</version>
         </dependency>
         <dependency>
             <groupId>org.polystat.py2eo</groupId>
             <artifactId>transpiler</artifactId>
-            <version>0.0.1-SNAPSHOT</version>
+            <version>0.0.20</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
diff --git a/parser/pom.xml b/parser/pom.xml
index 4ef72fb4f..5ff9506ff 100644
--- a/parser/pom.xml
+++ b/parser/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>py2eo</artifactId>
         <groupId>org.polystat</groupId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.20</version>
     </parent>
     <groupId>org.polystat.py2eo</groupId>         
     <artifactId>parser</artifactId>
diff --git a/pom.xml b/pom.xml
index eefbce644..83a54bea5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.polystat</groupId>
     <artifactId>py2eo</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.20</version>
     <parent>
         <groupId>com.jcabi</groupId>
         <artifactId>parent</artifactId>
diff --git a/transpiler/pom.xml b/transpiler/pom.xml
index c95f66896..5c5c3427a 100644
--- a/transpiler/pom.xml
+++ b/transpiler/pom.xml
@@ -5,11 +5,11 @@
     <parent>
         <artifactId>py2eo</artifactId>
         <groupId>org.polystat</groupId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.20</version>
     </parent>
     <groupId>org.polystat.py2eo</groupId>
     <artifactId>transpiler</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.20</version>
     <name>transpiler</name>
 
     <properties>
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>org.polystat.py2eo</groupId>
             <artifactId>parser</artifactId>
-            <version>0.0.1-SNAPSHOT</version>
+            <version>0.0.20</version>
         </dependency>
         <dependency>
             <groupId>org.scala-lang</groupId>