diff --git a/src/ivy/ivy.xml b/src/ivy/ivy.xml
index 18527da..31a6c80 100644
--- a/src/ivy/ivy.xml
+++ b/src/ivy/ivy.xml
@@ -25,12 +25,12 @@
 
     <dependencies>
         <dependency force="true" org="org.apache.log4j" name="log4j" rev="1.2.15" conf="build,runtime->default"/>
-        <dependency force="true" org="org.springframework" name="spring" rev="3.0+"
+        <dependency force="true" org="org.springframework" name="spring" rev="3.1+"
           conf="build,runtime->asm,aspects,cglib,context-support,expression,orm,web-servlet"/>
         <dependency force="true" org="com.vaadin" name="vaadin" rev="6.8.4" conf="build,runtime->default"/>
         <dependency force="true" org="javax.servlet" name="servletapi" rev="3.0" conf="build->default"/>
-        <dependency force="true" org="org.dellroad" name="dellroad-stuff" rev="1.0.548" conf="build,aspects,runtime->default"/>
-        <dependency force="true" org="org.aspectj" name="aspectj" rev="1.6.10" conf="build->tools;aspects,runtime->default"/>
+        <dependency force="true" org="org.dellroad" name="dellroad-stuff" rev="1.0.571" conf="build,aspects,runtime->default"/>
+        <dependency force="true" org="org.aspectj" name="aspectj" rev="1.7.1" conf="build->tools;aspects,runtime->default"/>
     </dependencies>
 
 </ivy-module>