diff --git a/pom.xml b/pom.xml
index ae3505c..ccc4e86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,33 +51,33 @@
         <dependency>
             <groupId>org.apache.httpcomponents.client5</groupId>
             <artifactId>httpclient5</artifactId>
-            <version>5.3</version>
+            <version>5.5</version>
         </dependency>
 
         <!-- Serialization to JSON -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>${jackson.version}</version>
+            <version>2.14.1</version>
         </dependency>
 
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
-            <version>${jackson.version}</version>
+            <version>2.14.1</version>
         </dependency>
 
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
+            <version>2.14.1</version>
         </dependency>
 
         <!-- MIME auto detect on files -->
         <dependency>
             <groupId>org.apache.tika</groupId>
             <artifactId>tika-core</artifactId>
-            <version>2.7.0</version>
+            <version>2.9.1</version>
         </dependency>
 
 
@@ -85,21 +85,21 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>${junit.jupiter.version}</version>
+            <version>5.8.2</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>${junit.jupiter.version}</version>
+            <version>5.8.2</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>org.junit.platform</groupId>
             <artifactId>junit-platform-runner</artifactId>
-            <version>${junit.platform.version}</version>
+            <version>1.8.0</version>
             <scope>test</scope>
         </dependency>