diff --git a/builds/runtimes/pypy-5.3.0 b/builds/runtimes/pypy-5.3.1
similarity index 84%
rename from builds/runtimes/pypy-5.3.0
rename to builds/runtimes/pypy-5.3.1
index e1c6104c85041219aa078a7243effa554b5fd880..0310dc91c72fe940cd3c231118539bfc5482fe96 100755
--- a/builds/runtimes/pypy-5.3.0
+++ b/builds/runtimes/pypy-5.3.1
@@ -7,8 +7,8 @@
 OUT_PREFIX=$1
 
 echo "Building PyPy..."
-SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-5.3.0-linux64.tar.bz2'
+SOURCE_TARBALL='https://bitbucket.org/pypy/pypy/downloads/pypy-5.3.1-linux64.tar.bz2'
 curl -L $SOURCE_TARBALL | tar jx
-cp -R pypy-5.3.0-linux64/* $OUT_PREFIX
+cp -R pypy-5.3.1-linux64/* $OUT_PREFIX
 
 ln $OUT_PREFIX/bin/pypy $OUT_PREFIX/bin/python