diff --git a/pom.xml b/pom.xml
index 28ff6de..aae11e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -391,7 +391,7 @@
 			<dependency>
 			    <groupId>org.springframework.cloud</groupId>
 			    <artifactId>spring-cloud-deployer-resource-maven</artifactId>
-			    <version>${spring-cloud-deployer.version}</version>
+			    <version>2.9.4</version>
 			</dependency>
 		</dependencies>
 	</dependencyManagement>
@@ -461,13 +461,13 @@
 		<dependency>
 		    <groupId>org.pf4j</groupId>
 		    <artifactId>pf4j</artifactId>
-		    <version>${pf4j.version}</version>
+		    <version>2.6.0</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.pf4j/pf4j-spring -->
 		<dependency>
 		    <groupId>org.pf4j</groupId>
 		    <artifactId>pf4j-spring</artifactId>
-		    <version>${pf4j-spring.version}</version>
+		    <version>0.6.0</version>
 		    <exclusions>
 		    	<exclusion>
 		    		<groupId>log4j</groupId>
@@ -483,7 +483,7 @@
 		<dependency>
 		    <groupId>org.pf4j</groupId>
 		    <artifactId>pf4j-update</artifactId>
-		    <version>${pf4j-update.version}</version>
+		    <version>2.0.0</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-deployer-resource-maven -->
 		<dependency>