Index: trunk/tools/ivy.xml
===================================================================
--- trunk/tools/ivy.xml	(revision 18723)
+++ trunk/tools/ivy.xml	(revision 18725)
@@ -19,8 +19,8 @@
         <dependency org="com.puppycrawl.tools" name="checkstyle" rev="9.3" conf="checkstyle->default"/>
         <!-- proguard->default -->
-        <dependency org="com.guardsquare" name="proguard-ant" rev="7.3.0" conf="proguard->default"/>
+        <dependency org="com.guardsquare" name="proguard-ant" rev="7.3.2" conf="proguard->default"/>
         <!-- pmd->default -->
-        <dependency org="net.sourceforge.pmd" name="pmd-core" rev="6.53.0" conf="pmd->default"/>
-        <dependency org="net.sourceforge.pmd" name="pmd-java" rev="6.53.0" conf="pmd->default"/>
+        <dependency org="net.sourceforge.pmd" name="pmd-core" rev="6.55.0" conf="pmd->default"/>
+        <dependency org="net.sourceforge.pmd" name="pmd-java" rev="6.55.0" conf="pmd->default"/>
         <dependency org="net.sourceforge.saxon" name="saxon" rev="9.1.0.8" conf="pmd->default">
             <artifact name="saxon" type="jar"/>
@@ -35,5 +35,5 @@
         <dependency org="com.google.errorprone" name="javac" rev="9+181-r4173-1" conf="errorprone_javac->default"/>
         <!-- animal->default -->
-        <dependency org="org.codehaus.mojo" name="animal-sniffer-ant-tasks" rev="1.22" conf="animal->default"/>
+        <dependency org="org.codehaus.mojo" name="animal-sniffer-ant-tasks" rev="1.23" conf="animal->default"/>
     </dependencies>
 </ivy-module>