diff --git a/pkgs/development/compilers/sbcl/default.nix b/pkgs/development/compilers/sbcl/default.nix
index 5787748f3cba..9b9012100daf 100644
--- a/pkgs/development/compilers/sbcl/default.nix
+++ b/pkgs/development/compilers/sbcl/default.nix
@@ -30,8 +30,8 @@ let
     "2.4.10".sha256 = "sha256-zus5a2nSkT7uBIQcKva+ylw0LOFGTD/j5FPy3hDF4vg=";
     # By unofficial and very loose convention we keep the latest version of
     # SBCL, and the previous one in case someone quickly needs to roll back.
-    "2.5.9".sha256 = "sha256-0bGQItQ9xJPtyXK25ZyTrmaEyWP90rQTsJZeGM1r0eI=";
     "2.5.10".sha256 = "sha256-v1+0nypC82s+AD0uTSNDhq3fB9ndjKhjRlaSfMls4SU=";
+    "2.6.0".sha256 = "sha256-CkvVsByI5rRcLwWWBdJyirk3emUpsupiKnq7W6LWkcY=";
   };
   # Collection of pre-built SBCL binaries for platforms that need them for
   # bootstrapping. Ideally these are to be avoided.  If ECL (or any other
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6bcae123e1a6..cc13466d8197 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8642,15 +8642,6 @@ with pkgs;
     ];
   };
 
-  sbcl_2_5_9 = wrapLisp {
-    pkg = callPackage ../development/compilers/sbcl { version = "2.5.9"; };
-
-    faslExt = "fasl";
-    flags = [
-      "--dynamic-space-size"
-      "3000"
-    ];
-  };
   sbcl_2_5_10 = wrapLisp {
     pkg = callPackage ../development/compilers/sbcl { version = "2.5.10"; };
     faslExt = "fasl";
@@ -8659,7 +8650,16 @@ with pkgs;
       "3000"
     ];
   };
-  sbcl = sbcl_2_5_10;
+  sbcl_2_6_0 = wrapLisp {
+    pkg = callPackage ../development/compilers/sbcl { version = "2.6.0"; };
+
+    faslExt = "fasl";
+    flags = [
+      "--dynamic-space-size"
+      "3000"
+    ];
+  };
+  sbcl = sbcl_2_6_0;
 
   sbclPackages = recurseIntoAttrs sbcl.pkgs;