diff --git a/config/gradle.properties b/config/gradle.properties
deleted file mode 100644
index 8d6d281..0000000
--- a/config/gradle.properties
+++ /dev/null
@@ -1 +0,0 @@
-version = 5.0.5
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 8c3a113..d9c5ca6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 group = org.xbib
 name = datastructures
-version = 3.1.0
+version = 5.0.5
 
 org.gradle.warning.mode = all
diff --git a/gradle/publish/maven.gradle b/gradle/publish/maven.gradle
index 02d909e..fbdb729 100644
--- a/gradle/publish/maven.gradle
+++ b/gradle/publish/maven.gradle
@@ -6,6 +6,7 @@ publishing {
             pom {
                 artifactId = project.name
                 name = project.name
+                version = project.version
                 description = rootProject.ext.description
                 url = rootProject.ext.url
                 inceptionYear = rootProject.ext.inceptionYear
diff --git a/settings-api/gradle.properties b/settings-api/gradle.properties
deleted file mode 100644
index 8d6d281..0000000
--- a/settings-api/gradle.properties
+++ /dev/null
@@ -1 +0,0 @@
-version = 5.0.5
\ No newline at end of file
diff --git a/settings-datastructures-json/gradle.properties b/settings-datastructures-json/gradle.properties
deleted file mode 100644
index 8d6d281..0000000
--- a/settings-datastructures-json/gradle.properties
+++ /dev/null
@@ -1 +0,0 @@
-version = 5.0.5
\ No newline at end of file
diff --git a/settings-datastructures-yaml/gradle.properties b/settings-datastructures-yaml/gradle.properties
deleted file mode 100644
index 8d6d281..0000000
--- a/settings-datastructures-yaml/gradle.properties
+++ /dev/null
@@ -1 +0,0 @@
-version = 5.0.5
\ No newline at end of file
diff --git a/settings-datastructures/gradle.properties b/settings-datastructures/gradle.properties
deleted file mode 100644
index 8d6d281..0000000
--- a/settings-datastructures/gradle.properties
+++ /dev/null
@@ -1 +0,0 @@
-version = 5.0.5
\ No newline at end of file