diff --git a/pkgs/development/python-modules/graph-tool/default.nix b/pkgs/development/python-modules/graph-tool/default.nix
index cd96ac773252..5dc014626300 100644
--- a/pkgs/development/python-modules/graph-tool/default.nix
+++ b/pkgs/development/python-modules/graph-tool/default.nix
@@ -32,12 +32,12 @@ let
 in
 buildPythonPackage rec {
   pname = "graph-tool";
-  version = "2.97";
+  version = "2.98";
   format = "other";
 
   src = fetchurl {
     url = "https://downloads.skewed.de/graph-tool/graph-tool-${version}.tar.bz2";
-    hash = "sha256-Yt2PuLuvvv4iNcv6UHzr5lTwFkReVtVO/znSADkxjKU=";
+    hash = "sha256-7vGUi5N/XwQ3Se7nX+DG1+jwNlUdlF6dVeN4cLBsxSc=";
   };
 
   postPatch = ''