diff --git a/pkgs/applications/science/math/jags/default.nix b/pkgs/applications/science/math/jags/default.nix
index 3ddcd6206d68..1acc6a287ca5 100644
--- a/pkgs/applications/science/math/jags/default.nix
+++ b/pkgs/applications/science/math/jags/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "JAGS";
-  version = "4.3.0";
+  version = "4.3.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/mcmc-jags/JAGS-${version}.tar.gz";
-    sha256 = "1z3icccg2ic56vmhyrpinlsvpq7kcaflk1731rgpvz9bk1bxvica";
+    sha256 = "sha256-+SWDVbXp6xO9M8X6cg8MvrrOp9CkpCtxsPsUUB7hQik=";
   };
 
   nativeBuildInputs = [ gfortran ];