diff --git a/testing-modules/parallel-tests-junit/math-test-functions/pom.xml b/testing-modules/parallel-tests-junit/math-test-functions/pom.xml
index fb12803333..fdd45e19d6 100644
--- a/testing-modules/parallel-tests-junit/math-test-functions/pom.xml
+++ b/testing-modules/parallel-tests-junit/math-test-functions/pom.xml
@@ -27,7 +27,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.22.0</version>
+                <version>${maven-surefire-plugin.version}</version>
                 <configuration>
                     <parallel>all</parallel>
                     <threadCount>10</threadCount>
@@ -45,4 +45,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <maven-surefire-plugin.version>2.22.0</maven-surefire-plugin.version>
+    </properties>
+
 </project>
diff --git a/testing-modules/parallel-tests-junit/string-test-functions/pom.xml b/testing-modules/parallel-tests-junit/string-test-functions/pom.xml
index 313d82c23f..727a1f814a 100644
--- a/testing-modules/parallel-tests-junit/string-test-functions/pom.xml
+++ b/testing-modules/parallel-tests-junit/string-test-functions/pom.xml
@@ -27,7 +27,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.22.0</version>
+                <version>${maven-surefire-plugin.version}</version>
                 <configuration>
                     <parallel>all</parallel>
                     <useUnlimitedThreads>true</useUnlimitedThreads>
@@ -37,4 +37,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <maven-surefire-plugin.version>2.22.0</maven-surefire-plugin.version>
+    </properties>
+
 </project>
diff --git a/testing-modules/testing-assertions/pom.xml b/testing-modules/testing-assertions/pom.xml
index fa0f666c7f..4f0209a484 100644
--- a/testing-modules/testing-assertions/pom.xml
+++ b/testing-modules/testing-assertions/pom.xml
@@ -16,36 +16,36 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.3</version>
+            <version>${logback.version}</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.6.2</version>
+            <version>${junit-jupiter.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.6.2</version>
+            <version>${junit-jupiter.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>3.16.1</version>
+            <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-all</artifactId>
-            <version>1.3</version>
+            <version>${hamcrest-all.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>
-            <version>4.4</version>
+            <version>${commons-collections4.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
@@ -59,4 +59,10 @@
             </plugin>
         </plugins>
     </build>
+
+    <properties>
+        <assertj-core.version>3.16.1</assertj-core.version>
+        <commons-collections4.version>4.4</commons-collections4.version>
+        <junit-jupiter.version>5.6.2</junit-jupiter.version>
+    </properties>
 </project>
diff --git a/testing-modules/testing-libraries-2/pom.xml b/testing-modules/testing-libraries-2/pom.xml
index 42c84d0da9..7f96280cac 100644
--- a/testing-modules/testing-libraries-2/pom.xml
+++ b/testing-modules/testing-libraries-2/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>3.16.1</version>
+            <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
         <dependency>
@@ -86,5 +86,6 @@
         <system-lambda.version>1.0.0</system-lambda.version>
         <system-stubs.version>1.1.0</system-stubs.version>
         <junit.jupiter.version>5.6.2</junit.jupiter.version>
+        <assertj-core.version>3.16.1</assertj-core.version>
     </properties>
 </project>
diff --git a/testing-modules/testing-libraries/pom.xml b/testing-modules/testing-libraries/pom.xml
index aa22a5253e..4edd13fa30 100644
--- a/testing-modules/testing-libraries/pom.xml
+++ b/testing-modules/testing-libraries/pom.xml
@@ -36,11 +36,10 @@
             <version>${cucumber.version}</version>
             <scope>test</scope>
         </dependency>
-        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>2.2.0.RELEASE</version>
+            <version>${spring-boot.version}</version>
         </dependency>
         <dependency>
             <groupId>com.github.stefanbirkner</groupId>
@@ -103,6 +102,7 @@
         <checkstyle-maven-plugin.version>3.0.0</checkstyle-maven-plugin.version>
         <system-rules.version>1.19.0</system-rules.version>
         <system-lambda.version>1.0.0</system-lambda.version>
+        <spring-boot.version>2.4.3</spring-boot.version>
     </properties>
 
 </project>
diff --git a/testing-modules/zerocode/pom.xml b/testing-modules/zerocode/pom.xml
index dce62df9ea..63f0dc9cbb 100644
--- a/testing-modules/zerocode/pom.xml
+++ b/testing-modules/zerocode/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>org.jsmart</groupId>
             <artifactId>zerocode-tdd</artifactId>
-            <version>1.3.27</version>
+            <version>${zerocode-tdd.version}</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
@@ -68,7 +68,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
-                <version>3.0.0-M5</version>
+                <version>${maven-failsafe-plugin.version}</version>
                 <configuration>
                     <skip>${skip.it}</skip>
                 </configuration>
@@ -76,7 +76,7 @@
                     <dependency>
                         <groupId>org.apache.maven.surefire</groupId>
                         <artifactId>surefire-junit47</artifactId>
-                        <version>3.0.0-M5</version>
+                        <version>${surefire-junit47.version}</version>
                     </dependency>
                 </dependencies>
                 <executions>
@@ -92,10 +92,13 @@
     </build>
 
     <properties>
+        <maven-failsafe-plugin.version>3.0.0-M5</maven-failsafe-plugin.version>
+        <surefire-junit47.version>3.0.0-M5</surefire-junit47.version>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
         <spring.boot.version>2.4.2</spring.boot.version>
         <skip.it>true</skip.it>
+        <zerocode-tdd.version>1.3.27</zerocode-tdd.version>
     </properties>
 
 </project>