diff --git a/pom.xml b/pom.xml
index 2793d5b4..4db078cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,74 +26,74 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
-            <version>${spring.version}</version>
+            <version>4.3.20.RELEASE</version>
         </dependency>
 
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
-            <version>${spring.version}</version>
+            <version>6.1.21</version>
         </dependency>
 
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-web</artifactId>
-            <version>${spring-security.version}</version>
+            <version>5.8.16</version>
         </dependency>
 
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-config</artifactId>
-            <version>${spring-security.version}</version>
+            <version>6.3.10</version>
         </dependency>
 
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-validator</artifactId>
-            <version>${hibernate-validator.version}</version>
+            <version>5.2.5.Final</version>
         </dependency>
 
         <dependency>
             <groupId>org.springframework.data</groupId>
             <artifactId>spring-data-jpa</artifactId>
-            <version>${spring-data-jpa.version}</version>
+            <version>2.7.11</version>
         </dependency>
 
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-entitymanager</artifactId>
-            <version>${hibernate.version}</version>
+            <version>5.3.20.Final</version>
         </dependency>
 
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>${mysql-connector.version}</version>
+            <version>8.0.31</version>
         </dependency>
 
         <dependency>
             <groupId>commons-dbcp</groupId>
             <artifactId>commons-dbcp</artifactId>
-            <version>${commons-dbcp.version}</version>
+            <version>1.4</version>
         </dependency>
 
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>jstl</artifactId>
-            <version>${jstl.version}</version>
+            <version>1.2</version>
         </dependency>
 
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
+            <version>3.8.1</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>${logback.version}</version>
+            <version>1.3.15</version>
         </dependency>
     </dependencies>
     <build>