diff --git a/pom.xml b/pom.xml
index 2fcf7bb..3f79de9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,33 +48,33 @@
       <dependency>
         <groupId>org.immutables</groupId>
         <artifactId>value</artifactId>
-        <version>${immutables.version}</version>
+        <version>2.8.9-ea-1</version>
         <scope>provided</scope>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-databind</artifactId>
-        <version>${jackson.version}</version>
+        <version>2.13.4.2</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.dataformat</groupId>
         <artifactId>jackson-dataformat-csv</artifactId>
-        <version>${jackson.version}</version>
+        <version>2.13.5</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.module</groupId>
         <artifactId>jackson-module-parameter-names</artifactId>
-        <version>${jackson.version}</version>
+        <version>2.13.5</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.datatype</groupId>
         <artifactId>jackson-datatype-jdk8</artifactId>
-        <version>${jackson.version}</version>
+        <version>2.13.5</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.datatype</groupId>
         <artifactId>jackson-datatype-jsr310</artifactId>
-        <version>${jackson.version}</version>
+        <version>2.13.5</version>
       </dependency>
 
       <dependency>
@@ -86,29 +86,29 @@
       <dependency>
         <groupId>net.javacrumbs.json-unit</groupId>
         <artifactId>json-unit-assertj</artifactId>
-        <version>${json.unit.version}</version>
+        <version>3.2.4</version>
         <scope>test</scope>
       </dependency>
       <dependency>
         <groupId>org.elasticsearch.client</groupId>
         <artifactId>elasticsearch-rest-high-level-client</artifactId>
-        <version>${elasticsearch.version}</version>
+        <version>7.14.0</version>
       </dependency>
       <dependency>
         <groupId>org.elasticsearch.test</groupId>
         <artifactId>framework</artifactId>
-        <version>${elasticsearch.version}</version>
+        <version>7.17.29</version>
         <scope>test</scope>
       </dependency>
       <dependency>
         <groupId>org.apache.logging.log4j</groupId>
         <artifactId>log4j-core</artifactId>
-        <version>${apache.log4j.version}</version>
+        <version>2.17.1</version>
       </dependency>
       <dependency>
         <groupId>org.assertj</groupId>
         <artifactId>assertj-core</artifactId>
-        <version>${assertj.version}</version>
+        <version>3.19.0</version>
         <scope>test</scope>
       </dependency>
     </dependencies>