diff --git a/dev-java/commons-math/files/commons-math-2.1-r1-buildfixes.patch b/dev-java/commons-math/files/commons-math-2.1-r2-buildfixes.patch
similarity index 100%
rename from dev-java/commons-math/files/commons-math-2.1-r1-buildfixes.patch
rename to dev-java/commons-math/files/commons-math-2.1-r2-buildfixes.patch