diff --git a/gnu/packages/haskell-crypto.scm b/gnu/packages/haskell-crypto.scm
index d6ccabba63..081309e645 100644
--- a/gnu/packages/haskell-crypto.scm
+++ b/gnu/packages/haskell-crypto.scm
@@ -36,7 +36,7 @@
 (define-public ghc-asn1-types
   (package
     (name "ghc-asn1-types")
-    (version "0.3.2")
+    (version "0.3.3")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://hackage.haskell.org/package/"
@@ -44,7 +44,7 @@
                                   version ".tar.gz"))
               (sha256
                (base32
-                "05vjchyqiy9n275cygffhn0ma7fz7jx52j0dcdm9qm8h9bziymqc"))))
+                "162lacdl9jr42pdhaj9hxqlba6hjxm6g866anna74q6v3cvw5ssp"))))
     (build-system haskell-build-system)
     (inputs
      `(("ghc-memory" ,ghc-memory)