diff --git a/pkgs/development/python-modules/google-cloud-spanner/default.nix b/pkgs/development/python-modules/google-cloud-spanner/default.nix
index b7074e65aa1..74537b37d01 100644
--- a/pkgs/development/python-modules/google-cloud-spanner/default.nix
+++ b/pkgs/development/python-modules/google-cloud-spanner/default.nix
@@ -14,11 +14,11 @@
 
 buildPythonPackage rec {
   pname = "google-cloud-spanner";
-  version = "3.15.0";
+  version = "3.15.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-NiHLaxYV3+40Dbs8miru6qG5vYlTToGTi8QRdLy5rZs=";
+    sha256 = "sha256-VmHmje3fJfiCT2CeJgk98qdFhZnxGZudfHP1MgW6Mtw=";
   };
 
   propagatedBuildInputs = [