diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index 0c94283cc5..1945a1bdd8 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -327,14 +327,14 @@ an interpreter, a compiler, a debugger, and much more.")
 (define-public sbcl
   (package
     (name "sbcl")
-    (version "1.5.1")
+    (version "1.5.5")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "mirror://sourceforge/sbcl/sbcl/" version "/sbcl-"
                            version "-source.tar.bz2"))
        (sha256
-        (base32 "08z62qba0kmm15k93s2rq7ipi769895g8iwigcp20qjh6amwnwph"))
+        (base32 "1qmapk2hyxxqd3ajiqacz4isij0ibx7gn10n8dbmq33gm3kgliyb"))
        (modules '((guix build utils)))
        (snippet
         ;; Add sbcl-bundle-systems to 'default-system-source-registry'.