diff --git a/.package-lists/guix-common-lisp-manifest.scm b/.package-lists/guix-common-lisp-manifest.scm
index e849f712..f6681cc4 100644
--- a/.package-lists/guix-common-lisp-manifest.scm
+++ b/.package-lists/guix-common-lisp-manifest.scm
@@ -33,7 +33,7 @@
     "sbcl-iolib"
     "sbcl-local-time"
     "sbcl-log4cl"
-    "sbcl-magicffi"
+    "sbcl-magicffi"                     ; TODO: Replace with trivial-mimes?
     "sbcl-mk-string-metrics"
     "sbcl-moptilities"
     "sbcl-osicat"
@@ -48,6 +48,7 @@
     "sbcl-trivial-benchmark"
     "sbcl-trivial-download"
     "sbcl-trivial-file-size"
+    "sbcl-trivial-mimes"
     "sbcl-trivial-package-local-nicknames"
     "sbcl-trivial-types"
     "sbcl-unix-opts"