diff --git a/pkgs/by-name/sb/sbcl/package.nix b/pkgs/by-name/sb/sbcl/package.nix
index f91e5147cf6a..2f18dcc78d4c 100644
--- a/pkgs/by-name/sb/sbcl/package.nix
+++ b/pkgs/by-name/sb/sbcl/package.nix
@@ -19,12 +19,12 @@ let
       sha256 = "189gjqzdz10xh3ybiy4ch1r98bsmkcb4hpnrmggd4y2g5kqnyx4y";
     };
 
-    "2.3.11" = {
-      sha256 = "sha256-hL7rjXLIeJeEf8AoWtyz+k9IG9s5ECxPuat5aEGErSk=";
-    };
     "2.4.0" = {
       sha256 = "sha256-g9i3TwjSJUxZuXkLwfZp4JCZRXuIRyDs7L9F9LRtF3Y=";
     };
+    "2.4.1" = {
+      sha256 = "sha256-2k+UhvrUE9OversbCSaTJf20v/fnuI8hld3udDJjz34=";
+    };
   };
   # Collection of pre-built SBCL binaries for platforms that need them for
   # bootstrapping. Ideally these are to be avoided.  If CLISP (or any other
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f736f7f0d49c..927739dd7a74 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26035,17 +26035,17 @@ with pkgs;
   };
 
   # Steel Bank Common Lisp
-  sbcl_2_3_11 = wrapLisp {
-    pkg = callPackage ../by-name/sb/sbcl/package.nix { version = "2.3.11"; };
-    faslExt = "fasl";
-    flags = [ "--dynamic-space-size" "3000" ];
-  };
   sbcl_2_4_0 = wrapLisp {
     pkg = callPackage ../by-name/sb/sbcl/package.nix { version = "2.4.0"; };
     faslExt = "fasl";
     flags = [ "--dynamic-space-size" "3000" ];
   };
-  sbcl = sbcl_2_4_0;
+  sbcl_2_4_1 = wrapLisp {
+    pkg = callPackage ../by-name/sb/sbcl/package.nix { version = "2.4.1"; };
+    faslExt = "fasl";
+    flags = [ "--dynamic-space-size" "3000" ];
+  };
+  sbcl = sbcl_2_4_1;
 
   sbclPackages = recurseIntoAttrs sbcl.pkgs;