diff --git a/README b/README
index 91c5fa20..68b2769b 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@
Supported Platforms
--------------------
-Apache Ivy requires Java level 1.4; it has been tested with Sun Java SDK v1.4.2
+Apache Ivy requires Java level 1.5; it has been tested with Sun Java SDK 1.5.0.
Even if not mandatory, Apache Ivy is most of the times used with Apache Ant,
for which version 1.6.0 or greater is required.
diff --git a/doc/dev.html b/doc/dev.html
index d417bbb2..eac77fa1 100644
--- a/doc/dev.html
+++ b/doc/dev.html
@@ -36,8 +36,8 @@ All you need is
We recommend either ant 1.6.5 or 1.7.0
junit 3.8.2 jar in your ant lib
this is not required if you use ant 1.7
-a jdk 1.4 or greater
-Build instructions have been successfully tested with sun jdk 1.4.2, 1.5.0 and 1.6.0
+a jdk 1.5 or greater
+Build instructions have been successfully tested with sun jdk 1.5.0 and 1.6.0
Procedure
diff --git a/doc/standalone.html b/doc/standalone.html
index ec84d006..56ebe03c 100644
--- a/doc/standalone.html
+++ b/doc/standalone.html
@@ -25,7 +25,7 @@