diff --git a/pkgs/development/python-modules/ailment/default.nix b/pkgs/development/python-modules/ailment/default.nix
index e23db23d151..13386eb12a6 100644
--- a/pkgs/development/python-modules/ailment/default.nix
+++ b/pkgs/development/python-modules/ailment/default.nix
@@ -7,14 +7,14 @@
 
 buildPythonPackage rec {
   pname = "ailment";
-  version = "9.0.5739";
+  version = "9.0.5903";
   disabled = pythonOlder "3.6";
 
   src = fetchFromGitHub {
     owner = "angr";
     repo = pname;
     rev = "v${version}";
-    sha256 = "1fjwksia6h7w7m5zhys65yr4zxvyfgp9hr1k5dn802p9kvz34bpc";
+    sha256 = "sha256-75Ul9JfMFYv3AfBlgmer6IDyfgOAS4AdXexznoxi35Y=";
   };
 
   propagatedBuildInputs = [ pyvex ];