diff --git a/pom.xml b/pom.xml
index fe8aa6e..00f879b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,44 +44,44 @@
         <dependency>
             <groupId>com.unboundid</groupId>
             <artifactId>unboundid-ldapsdk</artifactId>
-            <version>${unboundid-ldapsdk.version}</version>
+            <version>6.0.6</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
+            <version>4.13.2</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>${guava.version}</version>
+            <version>32.0.1-jre</version>
         </dependency>
         <dependency>
             <groupId>net.bytebuddy</groupId>
             <artifactId>byte-buddy</artifactId>
-            <version>${byte-buddy.version}</version>
+            <version>1.12.17</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>${slf4j.version}</version>
+            <version>1.7.36</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>${logback.version}</version>
+            <version>1.3.15</version>
             <scope>test</scope>
         </dependency>
         <dependency>
           <groupId>org.bouncycastle</groupId>
           <artifactId>bcprov-jdk15on</artifactId>
-          <version>${bouncycastle.version}</version>
+          <version>1.70</version>
           <scope>test</scope>
         </dependency>
         <dependency>
           <groupId>org.bouncycastle</groupId>
           <artifactId>bcpkix-jdk15on</artifactId>
-          <version>${bouncycastle.version}</version>
+          <version>1.70</version>
           <scope>test</scope>
         </dependency>
     </dependencies>