diff --git a/manifest.scm b/manifest.scm
index 4627992d0b81e0f0e4a03217e521f36b4b2cdde7..d30bafb602bb32799c76d727bfc58ce813692ef8 100644
--- a/manifest.scm
+++ b/manifest.scm
@@ -6,6 +6,7 @@
              ((gnu packages haskell) #:select (ghc))
              ((gnu packages haskell-web) #:select (ghc-aeson ghc-hxt))
              ((gnu packages haskell-xyz) #:select (ghc-cassava
+                                                   ghc-cereal
                                                    ghc-hs-conllu
                                                    ghc-random
                                                    ghc-regex-tdfa))
@@ -30,6 +31,7 @@
     ghc ; running haskell
     ghc-aeson ; working with JSON in haskell
     ghc-cassava ; working with CSV in haskell
+    ghc-cereal ; serializing haskell objects to/from disk
     ghc-geode ; handling corpus files
     ghc-hs-conllu ; working on syntax-annotated documents
     ghc-hxt ; working on xml documents