diff --git a/pkgs/development/python-modules/scikit-survival/default.nix b/pkgs/development/python-modules/scikit-survival/default.nix
index b08e0bd6d89b..fd6b8b83d7b0 100644
--- a/pkgs/development/python-modules/scikit-survival/default.nix
+++ b/pkgs/development/python-modules/scikit-survival/default.nix
@@ -25,7 +25,7 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "scikit-survival";
   version = "0.26.0";
   pyproject = true;
@@ -33,7 +33,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "sebp";
     repo = "scikit-survival";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-xtrGFNRHF8bL8Q82gIQLayuCSDFMrBBkQ63F+Nmbdes=";
   };
 
@@ -85,6 +85,10 @@ buildPythonPackage rec {
     "test_survival_svm"
     "test_tree"
   ]
+  ++ lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64) [
+    # Flaky numerical assertion (AssertionError)
+    "test_baseline_predict"
+  ]
   ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
     # floating point mismatch on aarch64
     # 27079905.88052468 to far from 27079905.880496684
@@ -94,8 +98,8 @@ buildPythonPackage rec {
   meta = {
     description = "Survival analysis built on top of scikit-learn";
     homepage = "https://github.com/sebp/scikit-survival";
-    changelog = "https://github.com/sebp/scikit-survival/releases/tag/v${version}";
+    changelog = "https://github.com/sebp/scikit-survival/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.gpl3Plus;
     maintainers = [ ];
   };
-}
+})