diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index e61de171f9..ba893dcf3b 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -3148,7 +3148,7 @@ is used to determine whether the results truly differ.")
 (define-public ocaml-batteries
   (package
     (name "ocaml-batteries")
-    (version "3.3.0")
+    (version "3.4.0")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -3157,7 +3157,7 @@ is used to determine whether the results truly differ.")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "1h03nkc3vajaijqhj1dy5hw85j2hwwxdkg8rvs2fc00qaf44ad1d"))))
+                "1cd7475n1mxhq482aidmhh27mq5p2vmb8d9fkb1mlza9pz5z66yq"))))
     (build-system ocaml-build-system)
     (propagated-inputs (list ocaml-num))
     (native-inputs