diff --git a/packages/py-neo/package.py b/packages/py-neo/package.py
index b2b3d5bb89a69998a9c46b0d54c66abebdd42ac5..90054098bda90a43f35d71205ae655a665335f5b 100644
--- a/packages/py-neo/package.py
+++ b/packages/py-neo/package.py
@@ -12,10 +12,11 @@ class PyNeo(PythonPackage):
     file formats"""
 
     homepage = "https://neuralensemble.org/neo"
-    pypi = "neo/neo-0.4.1.tar.gz"
+    pypi = "neo/neo-0.13.3.tar.gz"
 
     maintainers = ["apdavison"]
 
+    version('0.13.3', sha256='2d3f5900e6c887cb2e8df4181ba23531e71d7c740d6eea0c97877743313d28ae')
     version('0.13.1', sha256='81585b28b65a4dc89a92e71ced3942c5dbfdaa71bdd2cc385371b779b5654cad')
     version('0.13.0', sha256='5675d1fa381a53c2c7eeb8b5e929ec0399de20bb0b52453e1b99ec6d66dc91f3')
     version('0.12.0', sha256='3b6ca4fc05dfdb4e953e253e70994bfbbc8fe2e90958fbda7fa5860caf3fa63a')
diff --git a/spack.yaml b/spack.yaml
index b66f440e668208d0ace642600a1b1d84879f40c3..4730cdf3d9cf5a94ecae0f3903f2fa91642089b4 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -35,7 +35,7 @@ spack:
     - py-lfpykit@0.5.1
     - py-libneuroml@0.4.1
     - py-libsonata@0.1.23
-    - py-neo@0.13.1
+    - py-neo@0.13.3
     - py-nestml@7.0.2
     - py-netpyne@1.0.6
     - py-neurom@3.2.2