diff --git a/libraries-data/pom.xml b/libraries-data/pom.xml
index 3c6bedba90..717ee802db 100644
--- a/libraries-data/pom.xml
+++ b/libraries-data/pom.xml
@@ -73,7 +73,7 @@
         <dependency>
             <groupId>commons-cli</groupId>
             <artifactId>commons-cli</artifactId>
-            <version>${commons.cli.version}</version>
+            <version>${commons-cli.version}</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
@@ -163,7 +163,6 @@
 
     <properties>
         <assembly.plugin.version>2.3</assembly.plugin.version>
-        <commons.cli.version>1.2</commons.cli.version>
         <httpclient.version>3.0.1</httpclient.version>
         <storm.version>1.2.2</storm.version>
         <kafka.version>1.0.0</kafka.version>
diff --git a/persistence-modules/core-java-persistence-2/pom.xml b/persistence-modules/core-java-persistence-2/pom.xml
index 092900b628..15676bf03e 100644
--- a/persistence-modules/core-java-persistence-2/pom.xml
+++ b/persistence-modules/core-java-persistence-2/pom.xml
@@ -45,7 +45,6 @@
 
     <properties>
         <h2.version>1.4.200</h2.version>
-        <postgresql.version>42.2.5.jre7</postgresql.version>
         <mssql.driver.version>8.4.1.jre11</mssql.driver.version>
         <oracle.driver.version>10.2.0.4.0</oracle.driver.version>
         <mysql.driver.version>8.0.22</mysql.driver.version>
diff --git a/persistence-modules/core-java-persistence/pom.xml b/persistence-modules/core-java-persistence/pom.xml
index f1d779cf2f..96f8cef310 100644
--- a/persistence-modules/core-java-persistence/pom.xml
+++ b/persistence-modules/core-java-persistence/pom.xml
@@ -62,7 +62,6 @@
 
     <properties>
         <h2.version>1.4.200</h2.version>
-        <postgresql.version>42.2.5.jre7</postgresql.version>
         <assertj-core.version>3.10.0</assertj-core.version>
         <commons-dbcp2.version>2.4.0</commons-dbcp2.version>
         <HikariCP.version>3.2.0</HikariCP.version>
diff --git a/persistence-modules/hibernate-jpa/pom.xml b/persistence-modules/hibernate-jpa/pom.xml
index 6d300c620b..11540b6d23 100644
--- a/persistence-modules/hibernate-jpa/pom.xml
+++ b/persistence-modules/hibernate-jpa/pom.xml
@@ -91,7 +91,6 @@
     <properties>
         <hibernate.version>5.3.7.Final</hibernate.version>
         <mysql.version>8.0.13</mysql.version>
-        <postgresql.version>42.2.11</postgresql.version>
         <mariaDB4j.version>2.2.3</mariaDB4j.version>
         <assertj-core.version>3.8.0</assertj-core.version>
         <spring-boot.version>2.1.7.RELEASE</spring-boot.version>
diff --git a/persistence-modules/hibernate-mapping/pom.xml b/persistence-modules/hibernate-mapping/pom.xml
index 0248f0cb04..4f76c16a3f 100644
--- a/persistence-modules/hibernate-mapping/pom.xml
+++ b/persistence-modules/hibernate-mapping/pom.xml
@@ -75,7 +75,6 @@
     </dependencies>
 
     <properties>
-        <postgresql.version>42.2.20</postgresql.version>
         <hibernate.version>5.4.12.Final</hibernate.version>
         <hibernate-types.version>2.10.4</hibernate-types.version>
         <assertj-core.version>3.8.0</assertj-core.version>
diff --git a/persistence-modules/java-cockroachdb/pom.xml b/persistence-modules/java-cockroachdb/pom.xml
index 588ad29cb1..61fb193975 100644
--- a/persistence-modules/java-cockroachdb/pom.xml
+++ b/persistence-modules/java-cockroachdb/pom.xml
@@ -21,8 +21,4 @@
         </dependency>
     </dependencies>
 
-    <properties>
-        <postgresql.version>42.1.4</postgresql.version>
-    </properties>
-
 </project>
\ No newline at end of file
diff --git a/persistence-modules/java-jpa-2/pom.xml b/persistence-modules/java-jpa-2/pom.xml
index daa775f39d..26895f3a87 100644
--- a/persistence-modules/java-jpa-2/pom.xml
+++ b/persistence-modules/java-jpa-2/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>${postgres.version}</version>
+            <version>${postgresql.version}</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
@@ -138,7 +138,6 @@
     <properties>
         <hibernate.version>5.4.14.Final</hibernate.version>
         <eclipselink.version>2.7.4</eclipselink.version>
-        <postgres.version>42.2.5</postgres.version>
         <javax.persistence-api.version>2.2</javax.persistence-api.version>
         <assertj.version>3.11.1</assertj.version>
         <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
diff --git a/persistence-modules/java-jpa-3/pom.xml b/persistence-modules/java-jpa-3/pom.xml
index d81bfca5bd..cecabc10cc 100644
--- a/persistence-modules/java-jpa-3/pom.xml
+++ b/persistence-modules/java-jpa-3/pom.xml
@@ -59,7 +59,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>${postgres.version}</version>
+            <version>${postgresql.version}</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
@@ -92,7 +92,6 @@
     <properties>
         <hibernate.version>5.4.14.Final</hibernate.version>
         <eclipselink.version>2.7.4</eclipselink.version>
-        <postgres.version>42.2.5</postgres.version>
         <mysql.version>8.0.21</mysql.version>
         <javax.persistence-api.version>2.2</javax.persistence-api.version>
         <assertj.version>3.11.1</assertj.version>
diff --git a/persistence-modules/java-jpa/pom.xml b/persistence-modules/java-jpa/pom.xml
index bb87c10edb..9a55633773 100644
--- a/persistence-modules/java-jpa/pom.xml
+++ b/persistence-modules/java-jpa/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>${postgres.version}</version>
+            <version>${postgresql.version}</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>
@@ -104,7 +104,6 @@
     <properties>
         <hibernate.version>5.4.0.Final</hibernate.version>
         <eclipselink.version>2.7.4</eclipselink.version>
-        <postgres.version>42.2.5</postgres.version>
         <javax.persistence-api.version>2.2</javax.persistence-api.version>
         <maven-processor-plugin.version>3.3.3</maven-processor-plugin.version>
         <build-helper-maven-plugin.version>3.0.0</build-helper-maven-plugin.version>
diff --git a/persistence-modules/jooq/pom.xml b/persistence-modules/jooq/pom.xml
index f4751f412a..c66be9db77 100644
--- a/persistence-modules/jooq/pom.xml
+++ b/persistence-modules/jooq/pom.xml
@@ -45,7 +45,6 @@
 
     <properties>
         <jooq.version>3.13.4</jooq.version>
-        <postgresql.version>42.2.16</postgresql.version>
         <h2.version>1.4.200</h2.version>
     </properties>
 
diff --git a/persistence-modules/pom.xml b/persistence-modules/pom.xml
index 5e0cd59d18..e5214752cf 100644
--- a/persistence-modules/pom.xml
+++ b/persistence-modules/pom.xml
@@ -94,6 +94,8 @@
         <!-- persistence -->
         <hibernate.version>5.2.17.Final</hibernate.version>
 
+        <postgresql.version>42.2.20</postgresql.version>
+
         <!-- testing -->
         <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
         <junit-jupiter.version>5.6.2</junit-jupiter.version>
diff --git a/spring-boot-modules/spring-boot-react/pom.xml b/spring-boot-modules/spring-boot-react/pom.xml
index f1e10ae12d..fdefbbdfc7 100644
--- a/spring-boot-modules/spring-boot-react/pom.xml
+++ b/spring-boot-modules/spring-boot-react/pom.xml
@@ -15,28 +15,28 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>2.4.4</version>
+            <version>${spring-boot.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
-            <version>2.4.4</version>
+            <version>${spring-boot.version}</version>
         </dependency>
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>1.4.200</version>
+            <version>${h2.version}</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>com.github.javafaker</groupId>
             <artifactId>javafaker</artifactId>
-            <version>1.0.2</version>
+            <version>${javafaker.version}</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
-            <version>2.4.4</version>
+            <version>${spring-boot.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
@@ -127,6 +127,9 @@
         <frontend-maven-plugin.version>1.6</frontend-maven-plugin.version>
         <node.version>v10.14.2</node.version>
         <yarn.version>v1.12.1</yarn.version>
+        <spring-boot.version>2.4.4</spring-boot.version>
+        <h2.version>1.4.200</h2.version>
+        <javafaker.version>1.0.2</javafaker.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/spring-security-modules/spring-5-security/pom.xml b/spring-security-modules/spring-5-security/pom.xml
index 73b956d1e7..b487e8b282 100644
--- a/spring-security-modules/spring-5-security/pom.xml
+++ b/spring-security-modules/spring-5-security/pom.xml
@@ -55,12 +55,12 @@
         <dependency>
             <groupId>org.jsoup</groupId>
             <artifactId>jsoup</artifactId>
-            <version>1.13.1</version>
+            <version>${jsoup.version}</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.8.0</version>
+            <version>${commons-io.version}</version>
         </dependency>
     </dependencies>
 
@@ -77,4 +77,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <jsoup.version>1.13.1</jsoup.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/spring-security-modules/spring-security-config/cors/pom.xml b/spring-security-modules/spring-security-config/cors/pom.xml
index 2b8efb9add..b45f1b43e6 100644
--- a/spring-security-modules/spring-security-config/cors/pom.xml
+++ b/spring-security-modules/spring-security-config/cors/pom.xml
@@ -20,7 +20,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>2.1.2.RELEASE</version>
+                <version>${spring-boot.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -57,4 +57,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <spring-boot.version>2.1.2.RELEASE</spring-boot.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/spring-security-modules/spring-security-web-angular/server/pom.xml b/spring-security-modules/spring-security-web-angular/server/pom.xml
index 2e9ff9969d..9f4f0a5caa 100644
--- a/spring-security-modules/spring-security-web-angular/server/pom.xml
+++ b/spring-security-modules/spring-security-web-angular/server/pom.xml
@@ -21,7 +21,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>1.5.9.RELEASE</version>
+                <version>${spring-boot.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -62,4 +62,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <spring-boot.version>1.5.9.RELEASE</spring-boot.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/spring-security-modules/spring-security-web-react/pom.xml b/spring-security-modules/spring-security-web-react/pom.xml
index e8f74413ff..e24d657409 100644
--- a/spring-security-modules/spring-security-web-react/pom.xml
+++ b/spring-security-modules/spring-security-web-react/pom.xml
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
-            <version>1.5.10.RELEASE</version>
+            <version>${spring-boot-starter-test.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>