diff --git a/impl/pom.xml b/impl/pom.xml
index 3b67d7b..137477e 100644
--- a/impl/pom.xml
+++ b/impl/pom.xml
@@ -62,17 +62,17 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>2.0.7</version>
+            <version>1.7.25</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-jdk14</artifactId>
-            <version>2.0.7</version>
+            <version>1.7.25</version>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-all</artifactId>
-            <version>1.10.19</version>
+            <version>1.9.5</version>
         </dependency>
         <dependency>
             <groupId>org.apache.karaf.shell</groupId>