diff --git a/pkgs/development/libraries/science/math/brial/default.nix b/pkgs/development/libraries/science/math/brial/default.nix
index 0c0332f1366..38b77781867 100644
--- a/pkgs/development/libraries/science/math/brial/default.nix
+++ b/pkgs/development/libraries/science/math/brial/default.nix
@@ -8,14 +8,14 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "1.2.3";
+  version = "1.2.4";
   name = "brial-${version}";
 
   src = fetchFromGitHub {
     owner = "BRiAl";
     repo = "BRiAl";
     rev = version;
-    sha256 = "0qy4cwy7qrk4zg151cmws5cglaa866z461cnj9wdnalabs7v7qbg";
+    sha256 = "08skgmwz190mvpkh0ddx92ilva6bxidxwh1qg16ipi768x92193s";
   };
 
   # FIXME package boost-test and enable checks