diff --git a/abstract-document/pom.xml b/abstract-document/pom.xml
index c87711882..63ab70c9c 100644
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index 99cac7ca6..997d9a2f7 100644
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index 8f58599ff..03a453fb7 100644
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index 480fefe5e..ee447b35c 100644
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index a225de44b..4c67ff879 100644
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index f038e9041..796e58e05 100644
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index 3aea67742..ddd55c55d 100644
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index cc7708b98..59007d7bd 100644
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index 49650355a..720bd723a 100644
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diff --git a/double-checked-locking/pom.xml b/double-checked-locking/pom.xml
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index c7822b958..d3d15cbfd 100644
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index 404c13441..a4aaa751c 100644
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index 5093ddcf7..00cc08d04 100644
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index c06c88b73..853b2a2bd 100644
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index 01c7220b3..412543e9c 100644
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+    <version>1.26.0-SNAPSHOT</version>
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   <artifactId>module</artifactId>
   <dependencies>
diff --git a/monad/pom.xml b/monad/pom.xml
index daf8a6abf..c034fb960 100644
--- a/monad/pom.xml
+++ b/monad/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0</version>
+    <version>1.26.0-SNAPSHOT</version>
   </parent>
   <artifactId>monad</artifactId>
   <dependencies>
diff --git a/monostate/pom.xml b/monostate/pom.xml
index 1ccb34933..407f14900 100644
--- a/monostate/pom.xml
+++ b/monostate/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0</version>
+    <version>1.26.0-SNAPSHOT</version>
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   <artifactId>monostate</artifactId>
   <dependencies>
diff --git a/multiton/pom.xml b/multiton/pom.xml
index 7b8196f44..97b3ead70 100644
--- a/multiton/pom.xml
+++ b/multiton/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0</version>
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   <artifactId>multiton</artifactId>
   <dependencies>
diff --git a/mute-idiom/pom.xml b/mute-idiom/pom.xml
index 873807991..22070204f 100644
--- a/mute-idiom/pom.xml
+++ b/mute-idiom/pom.xml
@@ -28,7 +28,7 @@
   <parent>
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     <artifactId>java-design-patterns</artifactId>
-    <version>1.25.0</version>
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   <artifactId>mute-idiom</artifactId>
   <dependencies>
diff --git a/naked-objects/dom/pom.xml b/naked-objects/dom/pom.xml
index 4f0de7748..31fae8f52 100644
--- a/naked-objects/dom/pom.xml
+++ b/naked-objects/dom/pom.xml
@@ -28,7 +28,7 @@
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-    <version>1.25.0</version>
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   <artifactId>naked-objects-dom</artifactId>
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diff --git a/naked-objects/fixture/pom.xml b/naked-objects/fixture/pom.xml
index 30d85c3bb..35bb154f3 100644
--- a/naked-objects/fixture/pom.xml
+++ b/naked-objects/fixture/pom.xml
@@ -28,7 +28,7 @@
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     <groupId>com.iluwatar</groupId>
     <artifactId>naked-objects</artifactId>
-    <version>1.25.0</version>
+    <version>1.26.0-SNAPSHOT</version>
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   <artifactId>naked-objects-fixture</artifactId>
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diff --git a/naked-objects/integtests/pom.xml b/naked-objects/integtests/pom.xml
index d3493fb00..ac3f83bc0 100644
--- a/naked-objects/integtests/pom.xml
+++ b/naked-objects/integtests/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>naked-objects</artifactId>
-    <version>1.25.0</version>
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   <artifactId>naked-objects-integtests</artifactId>
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diff --git a/naked-objects/pom.xml b/naked-objects/pom.xml
index 8cc067660..9cf440c1f 100644
--- a/naked-objects/pom.xml
+++ b/naked-objects/pom.xml
@@ -28,7 +28,7 @@
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-    <version>1.25.0</version>
+    <version>1.26.0-SNAPSHOT</version>
   </parent>
   <artifactId>naked-objects</artifactId>
   <packaging>pom</packaging>
@@ -314,17 +314,17 @@
       <dependency>
         <groupId>${project.groupId}</groupId>
         <artifactId>naked-objects-dom</artifactId>
-        <version>1.25.0</version>
+        <version>1.26.0-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>${project.groupId}</groupId>
         <artifactId>naked-objects-fixture</artifactId>
-        <version>1.25.0</version>
+        <version>1.26.0-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>${project.groupId}</groupId>
         <artifactId>naked-objects-webapp</artifactId>
-        <version>1.25.0</version>
+        <version>1.26.0-SNAPSHOT</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/naked-objects/webapp/pom.xml b/naked-objects/webapp/pom.xml
index 88a86ca21..77cb73a9e 100644
--- a/naked-objects/webapp/pom.xml
+++ b/naked-objects/webapp/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>com.iluwatar</groupId>
     <artifactId>naked-objects</artifactId>
-    <version>1.25.0</version>
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   <artifactId>naked-objects-webapp</artifactId>
   <description>This module runs both the Wicket viewer and the Restfulobjects viewer in a single webapp configured to run using the datanucleus object store.</description>
diff --git a/null-object/pom.xml b/null-object/pom.xml
index f0552d581..64e69e7db 100644
--- a/null-object/pom.xml
+++ b/null-object/pom.xml
@@ -28,7 +28,7 @@
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     <groupId>com.iluwatar</groupId>
     <artifactId>java-design-patterns</artifactId>
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diff --git a/object-mother/pom.xml b/object-mother/pom.xml
index 4899c69ca..cf44cfb93 100644
--- a/object-mother/pom.xml
+++ b/object-mother/pom.xml
@@ -28,7 +28,7 @@
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     <artifactId>java-design-patterns</artifactId>
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diff --git a/object-pool/pom.xml b/object-pool/pom.xml
index c03cc0a8b..cb98d8cb1 100644
--- a/object-pool/pom.xml
+++ b/object-pool/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/observer/pom.xml b/observer/pom.xml
index 616245f56..755cc88d4 100644
--- a/observer/pom.xml
+++ b/observer/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/page-object/pom.xml b/page-object/pom.xml
index 8d376e73f..5a6c25b67 100644
--- a/page-object/pom.xml
+++ b/page-object/pom.xml
@@ -45,7 +45,7 @@
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   <packaging>pom</packaging>
diff --git a/page-object/sample-application/pom.xml b/page-object/sample-application/pom.xml
index 4d1993c6c..725be0bda 100644
--- a/page-object/sample-application/pom.xml
+++ b/page-object/sample-application/pom.xml
@@ -28,7 +28,7 @@
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   <artifactId>sample-application</artifactId>
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diff --git a/page-object/test-automation/pom.xml b/page-object/test-automation/pom.xml
index 64614be3a..31f7c19c8 100644
--- a/page-object/test-automation/pom.xml
+++ b/page-object/test-automation/pom.xml
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diff --git a/parameter-object/pom.xml b/parameter-object/pom.xml
index c8dc426c5..7e2fdf915 100644
--- a/parameter-object/pom.xml
+++ b/parameter-object/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/partial-response/pom.xml b/partial-response/pom.xml
index 2bf9792c4..2c1d34edb 100644
--- a/partial-response/pom.xml
+++ b/partial-response/pom.xml
@@ -27,7 +27,7 @@
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diff --git a/pipeline/pom.xml b/pipeline/pom.xml
index 80d530aee..8e8213648 100644
--- a/pipeline/pom.xml
+++ b/pipeline/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/poison-pill/pom.xml b/poison-pill/pom.xml
index 6d600685f..08722b9ed 100644
--- a/poison-pill/pom.xml
+++ b/poison-pill/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/pom.xml b/pom.xml
index 68cd06cf1..5c3634b95 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
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   <groupId>com.iluwatar</groupId>
   <artifactId>java-design-patterns</artifactId>
-  <version>1.25.0</version>
+  <version>1.26.0-SNAPSHOT</version>
   <packaging>pom</packaging>
   <inceptionYear>2014-2021</inceptionYear>
   <properties>
diff --git a/presentation/pom.xml b/presentation/pom.xml
index ab64ce078..64dc72255 100644
--- a/presentation/pom.xml
+++ b/presentation/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/priority-queue/pom.xml b/priority-queue/pom.xml
index 47853faca..c09abfc81 100644
--- a/priority-queue/pom.xml
+++ b/priority-queue/pom.xml
@@ -29,7 +29,7 @@
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diff --git a/private-class-data/pom.xml b/private-class-data/pom.xml
index 7db299664..7bf80d59f 100644
--- a/private-class-data/pom.xml
+++ b/private-class-data/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/producer-consumer/pom.xml b/producer-consumer/pom.xml
index 3b5a90343..b8db23dcd 100644
--- a/producer-consumer/pom.xml
+++ b/producer-consumer/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/promise/pom.xml b/promise/pom.xml
index bcc60a009..d32ca3767 100644
--- a/promise/pom.xml
+++ b/promise/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/property/pom.xml b/property/pom.xml
index 7d80392ba..55a558564 100644
--- a/property/pom.xml
+++ b/property/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/prototype/pom.xml b/prototype/pom.xml
index 5adcb2433..bbde8d5a3 100644
--- a/prototype/pom.xml
+++ b/prototype/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/proxy/pom.xml b/proxy/pom.xml
index 15a9a97b2..1a5cb773d 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/queue-load-leveling/pom.xml b/queue-load-leveling/pom.xml
index 954d9c0ad..8949ae1da 100644
--- a/queue-load-leveling/pom.xml
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diff --git a/reactor/pom.xml b/reactor/pom.xml
index 6af57b466..c1b156e05 100644
--- a/reactor/pom.xml
+++ b/reactor/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/reader-writer-lock/pom.xml b/reader-writer-lock/pom.xml
index 1d10ce6f8..6245178fd 100644
--- a/reader-writer-lock/pom.xml
+++ b/reader-writer-lock/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/registry/pom.xml b/registry/pom.xml
index 5bf4c7d5d..445b9bfa8 100644
--- a/registry/pom.xml
+++ b/registry/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/repository/pom.xml b/repository/pom.xml
index 7d9a31b21..b73624f62 100644
--- a/repository/pom.xml
+++ b/repository/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/resource-acquisition-is-initialization/pom.xml b/resource-acquisition-is-initialization/pom.xml
index 40a30bdaa..1fad8b5eb 100644
--- a/resource-acquisition-is-initialization/pom.xml
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@@ -28,7 +28,7 @@
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diff --git a/retry/pom.xml b/retry/pom.xml
index 1a70bc628..ce7613cde 100644
--- a/retry/pom.xml
+++ b/retry/pom.xml
@@ -28,7 +28,7 @@
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   <packaging>jar</packaging>
diff --git a/role-object/pom.xml b/role-object/pom.xml
index d66416e7b..095f66f89 100644
--- a/role-object/pom.xml
+++ b/role-object/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/saga/pom.xml b/saga/pom.xml
index d5c865949..8f8d0e905 100644
--- a/saga/pom.xml
+++ b/saga/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/separated-interface/pom.xml b/separated-interface/pom.xml
index 5463e17e2..164524632 100644
--- a/separated-interface/pom.xml
+++ b/separated-interface/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/servant/pom.xml b/servant/pom.xml
index d91408c25..a0bd5587e 100644
--- a/servant/pom.xml
+++ b/servant/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/serverless/pom.xml b/serverless/pom.xml
index 846805722..2b6deeea7 100644
--- a/serverless/pom.xml
+++ b/serverless/pom.xml
@@ -29,7 +29,7 @@
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diff --git a/service-layer/pom.xml b/service-layer/pom.xml
index dcacfb08f..d7b851fed 100644
--- a/service-layer/pom.xml
+++ b/service-layer/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/service-locator/pom.xml b/service-locator/pom.xml
index 1c9f96af8..de2e00bd8 100644
--- a/service-locator/pom.xml
+++ b/service-locator/pom.xml
@@ -28,7 +28,7 @@
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diff --git a/sharding/pom.xml b/sharding/pom.xml
index bef29823c..61008e913 100644
--- a/sharding/pom.xml
+++ b/sharding/pom.xml
@@ -27,7 +27,7 @@
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index 316200d52..c2e42ec1f 100644
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index 9d7d2fbca..59b1d167a 100644
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index dce5bf732..47dac1073 100644
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index cd7cb0299..9b34c6d87 100644
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index 129052639..c3b3cecf3 100644
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index cd0aa8a25..1b09739b9 100644
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