diff --git a/pkgs/applications/science/logic/abella/default.nix b/pkgs/applications/science/logic/abella/default.nix
index 14ceb53f9bb0..3d752b7d7b93 100644
--- a/pkgs/applications/science/logic/abella/default.nix
+++ b/pkgs/applications/science/logic/abella/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "abella";
-  version = "2.0.6";
+  version = "2.0.7";
 
   src = fetchurl {
     url = "http://abella-prover.org/distributions/${pname}-${version}.tar.gz";
-    sha256 = "164q9gngckg6q69k13lwx2pq3cnc9ckw1qi8dnpxqfjgwfqr7xyi";
+    sha256 = "sha256-/eOiebMFHgrurtrSHPlgZO3xmmxBOUmyAzswXZLd3Yc=";
   };
 
   buildInputs = [ rsync ] ++ (with ocamlPackages; [ ocaml ocamlbuild findlib ]);
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a92efb79584d..e25feaefae15 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31098,9 +31098,7 @@ with pkgs;
 
   abc-verifier = callPackage ../applications/science/logic/abc {};
 
-  abella = callPackage ../applications/science/logic/abella {
-    ocamlPackages = ocaml-ng.ocamlPackages_4_07;
-  };
+  abella = callPackage ../applications/science/logic/abella { };
 
   acgtk = callPackage ../applications/science/logic/acgtk {};