diff --git a/pkgs/development/compilers/abcl/default.nix b/pkgs/development/compilers/abcl/default.nix
index 678cdcc22cc..c48b36e5aba 100644
--- a/pkgs/development/compilers/abcl/default.nix
+++ b/pkgs/development/compilers/abcl/default.nix
@@ -2,11 +2,11 @@
 stdenv.mkDerivation rec {
   name = "${pname}-${version}";
   pname = "abcl";
-  version = "1.4.0";
+  version = "1.5.0";
   # or fetchFromGitHub(owner,repo,rev) or fetchgit(rev)
   src = fetchurl {
     url = "https://common-lisp.net/project/armedbear/releases/${version}/${pname}-src-${version}.tar.gz";
-    sha256 = "1y4nixm1459ch6226ikdilcsf91c2rg1d82cqqmcn24kfjl1m62i";
+    sha256 = "1hhvcg050nfpjbdmskc1cv2j38qi6qfl77a61b5cxx576kbff3lj";
   };
   configurePhase = ''
     mkdir nix-tools