diff --git a/pom.xml b/pom.xml
index 8893cbf..f403edd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,22 +71,22 @@
         <dependency>
             <groupId>org.scala-lang</groupId>
             <artifactId>scala-library</artifactId>
-            <version>${scala.version}</version>
+            <version>2.11.9</version>
         </dependency>
         <dependency>
             <groupId>org.scala-lang</groupId>
             <artifactId>scala-reflect</artifactId>
-            <version>${scala.version}</version>
+            <version>2.11.9</version>
         </dependency>
         <dependency>
             <groupId>org.scala-lang</groupId>
             <artifactId>scala-compiler</artifactId>
-            <version>${scala.version}</version>
+            <version>2.11.12</version>
         </dependency>
         <dependency>
             <groupId>org.glassfish.jersey.bundles</groupId>
             <artifactId>jaxrs-ri</artifactId>
-            <version>2.4</version>
+            <version>2.34</version>
         </dependency>
         <dependency>
             <groupId>com.typesafe.scala-logging</groupId>
@@ -102,17 +102,17 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-all</artifactId>
-            <version>${grpc.version}</version>
+            <version>1.17.1</version>
         </dependency>
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-core</artifactId>
-            <version>${grpc.version}</version>
+            <version>1.57.0</version>
         </dependency>
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-services</artifactId>
-            <version>${grpc.version}</version>
+            <version>1.68.1</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
@@ -129,12 +129,12 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.4</version>
+            <version>2.14.0</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.6.2</version>
+            <version>1.7.34</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -166,7 +166,7 @@
         <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-common</artifactId>
-            <version>${hadoop-version}</version>
+            <version>3.4.1</version>
             <exclusions>
                 <exclusion>
                     <groupId>com.google.protobuf</groupId>