diff --git a/pkgs/development/python-modules/python-gitlab/default.nix b/pkgs/development/python-modules/python-gitlab/default.nix
index 4858ef8f8a6f..bbdf7aa6033c 100644
--- a/pkgs/development/python-modules/python-gitlab/default.nix
+++ b/pkgs/development/python-modules/python-gitlab/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname   = "python-gitlab";
-  version = "1.13.0";
+  version = "1.15.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "125zimbdprfx2j90dp19hyh60lzj11264bm494awc585pr6v9d3k";
+    sha256 = "45125a0ed4d0027d4317bdbd71ca02fc52b0ac160b9d2c3c5be131b4d19f867e";
   };
 
   propagatedBuildInputs = [ requests six ];