diff --git a/pkgs/applications/science/logic/abella/default.nix b/pkgs/applications/science/logic/abella/default.nix
index 7d71a56fa23..bc23454edfc 100644
--- a/pkgs/applications/science/logic/abella/default.nix
+++ b/pkgs/applications/science/logic/abella/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "abella-${version}";
-  version = "2.0.5";
+  version = "2.0.6";
 
   src = fetchurl {
     url = "http://abella-prover.org/distributions/${name}.tar.gz";
-    sha256 = "0bry4pj6p9y7sg79ygdksynml4rdsjhqi959vnnwwsbaysa3bci0";
+    sha256 = "164q9gngckg6q69k13lwx2pq3cnc9ckw1qi8dnpxqfjgwfqr7xyi";
   };
 
   buildInputs = [ rsync ] ++ (with ocamlPackages; [ ocaml ocamlbuild findlib ]);