diff --git a/pom.xml b/pom.xml
index f04854f..7658dd1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,6 +50,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-gpg-plugin</artifactId>
+            <version>1.6</version>
             <executions>
               <execution>
                 <id>sign-artifacts</id>
@@ -70,7 +71,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.0.1</version>
         <executions>
           <execution>
             <id>attach-sources</id>
@@ -83,7 +84,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.10.3</version>
+        <version>3.1.0</version>
         <executions>
           <execution>
             <id>attach-javadocs</id>
@@ -96,7 +97,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.1</version>
+        <version>3.8.0</version>
         <configuration>
           <source>1.7</source>
           <target>1.7</target>
@@ -110,19 +111,19 @@
     <dependency>
       <groupId>joda-time</groupId>
       <artifactId>joda-time</artifactId>
-      <version>2.9.1</version>
+      <version>2.10.1</version>
     </dependency>
     <dependency>
       <groupId>javax.ws.rs</groupId>
       <artifactId>javax.ws.rs-api</artifactId>
-      <version>2.0.1</version>
+      <version>2.1.1</version>
       <scope>provided</scope>
     </dependency>
     <!-- Test dependencies -->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.12</version>
       <scope>test</scope>
     </dependency>
   </dependencies>