diff --git a/pkgs/development/python-modules/bayesian-optimization/default.nix b/pkgs/development/python-modules/bayesian-optimization/default.nix
index 22fc9d78767c..0de71843bf96 100644
--- a/pkgs/development/python-modules/bayesian-optimization/default.nix
+++ b/pkgs/development/python-modules/bayesian-optimization/default.nix
@@ -24,14 +24,14 @@
 
 buildPythonPackage rec {
   pname = "bayesian-optimization";
-  version = "3.0.1";
+  version = "3.1.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "bayesian-optimization";
     repo = "BayesianOptimization";
     tag = "v${version}";
-    hash = "sha256-dq5R0/gqjSzQPAmYvtByJ6gT8pOiXcezfYlKpFLnryk=";
+    hash = "sha256-CYkFobGLlh5cPLwChRWXCow0d5uz8eN5hcRanNMfW8s=";
   };
 
   build-system = [ poetry-core ];