diff --git a/pom.xml b/pom.xml
index 8bb67c6..3030939 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,7 +95,7 @@
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-consul-client</artifactId>
-      <version>${stack.version}</version>
+      <version>4.5.13</version>
       <scope>provided</scope>
     </dependency>
 
@@ -113,45 +113,45 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>${junit.version}</version>
+      <version>0.9.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>com.pszymczyk.consul</groupId>
       <artifactId>embedded-consul</artifactId>
-      <version>${embedded.consul.version}</version>
+      <version>2.2.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-unit</artifactId>
-      <version>${stack.version}</version>
+      <version>4.5.13</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.2.3</version>
+      <version>1.3.15</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-web</artifactId>
-      <version>${stack.version}</version>
+      <version>3.9.1</version>
       <scope>test</scope>
     </dependency>
 
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-core</artifactId>
-      <version>${stack.version}</version>
+      <version>4.5.13</version>
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>io.vertx</groupId>
       <artifactId>vertx-web</artifactId>
-      <version>${stack.version}</version>
+      <version>3.9.1</version>
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>