diff --git a/python/monty/monty.SlackBuild b/python/monty/monty.SlackBuild
index 34b2e81f25..71689834bf 100644
--- a/python/monty/monty.SlackBuild
+++ b/python/monty/monty.SlackBuild
@@ -23,7 +23,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=monty
-VERSION=${VERSION:-0.4.1}
+VERSION=${VERSION:-0.5.5}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
diff --git a/python/monty/monty.info b/python/monty/monty.info
index f9abf243a9..939615af87 100644
--- a/python/monty/monty.info
+++ b/python/monty/monty.info
@@ -1,8 +1,8 @@
 PRGNAM="monty"
-VERSION="0.4.1"
+VERSION="0.5.5"
 HOMEPAGE="https://github.com/materialsvirtuallab/monty"
-DOWNLOAD="https://pypi.python.org/packages/source/m/monty/monty-0.4.1.tar.gz"
-MD5SUM="4b094e151d417397c0373a19ae383045"
+DOWNLOAD="https://pypi.python.org/packages/source/m/monty/monty-0.5.5.tar.gz"
+MD5SUM="3a51dc2c16fcd91773bf9ba4e80a0107"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="pysetuptools PyYAML"