diff --git a/pom.xml b/pom.xml
index 0e0b8f06..7f2f1c66 100644
--- a/pom.xml
+++ b/pom.xml
@@ -88,7 +88,7 @@
         <dependency>
             <groupId>org.springframework.data</groupId>
             <artifactId>spring-data-jdbc-core</artifactId>
-            <version>${spring-data-jdbc.version}</version>
+            <version>1.2.1.RELEASE</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.springframework</groupId>
@@ -124,13 +124,13 @@
         <dependency>
             <groupId>org.springdoc</groupId>
             <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
-            <version>${springdoc-openapi-ui.version}</version>
+            <version>2.6.0</version>
         </dependency>
 
         <dependency>
             <groupId>org.openapitools</groupId>
             <artifactId>jackson-databind-nullable</artifactId>
-            <version>${jackson-databind-nullable.version}</version>
+            <version>0.2.4</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
@@ -139,12 +139,12 @@
         <dependency>
             <groupId>org.mapstruct</groupId>
             <artifactId>mapstruct</artifactId>
-            <version>${mapstruct.version}</version>
+            <version>1.4.1.Final</version>
         </dependency>
         <dependency>
             <groupId>org.mapstruct</groupId>
             <artifactId>mapstruct-processor</artifactId>
-            <version>${mapstruct.version}</version>
+            <version>1.4.1.Final</version>
         </dependency>
 
         <dependency>
@@ -156,7 +156,7 @@
         <dependency>
             <groupId>javax.xml.bind</groupId>
             <artifactId>jaxb-api</artifactId>
-            <version>${jaxb-api.version}</version>
+            <version>2.3.0</version>
         </dependency>
     </dependencies>