diff --git a/pkgs/development/python-modules/bayespy/default.nix b/pkgs/development/python-modules/bayespy/default.nix
index ff4b7fcb531..430e7c3da8a 100644
--- a/pkgs/development/python-modules/bayespy/default.nix
+++ b/pkgs/development/python-modules/bayespy/default.nix
@@ -4,7 +4,7 @@
 
 buildPythonPackage rec {
   pname = "bayespy";
-  version = "0.5.17";
+  version = "0.5.18";
 
   # Python 2 not supported and not some old Python 3 because MPL doesn't support
   # them properly.
@@ -12,7 +12,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "2e04cd9873eea6891ea8dfd5fc6d718727ea7cc416bc2ced50e00a741386925f";
+    sha256 = "86c453d827b8d6c3574ec306f6fadfc5028614e1cd46676841336e6787a7496a";
   };
 
   checkInputs = [ pytest glibcLocales ];