diff --git a/gnu/packages/lisp-xyz.scm b/gnu/packages/lisp-xyz.scm
index c07e521d45a..a704935d794 100644
--- a/gnu/packages/lisp-xyz.scm
+++ b/gnu/packages/lisp-xyz.scm
@@ -12982,8 +12982,8 @@ score.  When evaluated, the musical score is rendered to an image.")
   (sbcl-package->ecl-package sbcl-cmn))
 
 (define-public sbcl-coalton
-  (let ((commit "939342495f55991812c2c2767322c5e51e755216")
-        (revision "4"))
+  (let ((commit "bf475c8c53e02a2e0cb29deab4d101d25743bfca")
+        (revision "5"))
     (package
       (name "sbcl-coalton")
       (version (git-version "0.0.1" revision commit))
@@ -12995,7 +12995,7 @@ score.  When evaluated, the musical score is rendered to an image.")
                (commit commit)))
          (file-name (git-file-name "cl-coalton" version))
          (sha256
-          (base32 "08qzj3v4fvn9h87whyqg650rpap8lva7jr94d1akv6m2z62l5q68"))))
+          (base32 "0zrp2s82n2mxx7knbnbsdj64zar21nnnf8iwzrqzs4g3v6xpyz9z"))))
       (build-system asdf-build-system/sbcl)
       (native-inputs
        (list sbcl-fiasco))