diff --git a/pkgs/development/python-modules/dissect-evidence/default.nix b/pkgs/development/python-modules/dissect-evidence/default.nix
index fb4e347f2063..232a30076820 100644
--- a/pkgs/development/python-modules/dissect-evidence/default.nix
+++ b/pkgs/development/python-modules/dissect-evidence/default.nix
@@ -7,6 +7,7 @@
   setuptools,
   setuptools-scm,
   pytestCheckHook,
+  pythonAtLeast,
 }:
 
 buildPythonPackage rec {
@@ -33,6 +34,11 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [ pytestCheckHook ];
 
+  disabledTests = lib.optionals (pythonAtLeast "3.14") [
+    # https://github.com/fox-it/dissect.evidence/issues/46
+    "test_ewf"
+  ];
+
   pythonImportsCheck = [ "dissect.evidence" ];
 
   meta = {
diff --git a/pkgs/development/python-modules/dissect-target/default.nix b/pkgs/development/python-modules/dissect-target/default.nix
index 9a81ca85a4bd..b8da32ecded7 100644
--- a/pkgs/development/python-modules/dissect-target/default.nix
+++ b/pkgs/development/python-modules/dissect-target/default.nix
@@ -34,6 +34,7 @@
   paho-mqtt,
   pycryptodome,
   pytestCheckHook,
+  pythonAtLeast,
   ruamel-yaml,
   setuptools,
   setuptools-scm,
@@ -55,6 +56,8 @@ buildPythonPackage rec {
     fetchLFS = true;
   };
 
+  disabled = pythonAtLeast "3.14";
+
   postPatch = ''
     substituteInPlace pyproject.toml \
       --replace-fail "flow.record~=" "flow.record>="