diff --git a/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix b/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
index 53478d92dcc..4b9afba0ea9 100644
--- a/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
+++ b/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
@@ -1,13 +1,13 @@
 { stdenv, buildPackages, fetchgit, perl, buildLinux, ... } @ args:
 
 buildLinux (args // rec {
-  version = "4.20.2019.02.20";
+  version = "4.20.2019.03.13";
   modDirVersion = "4.20.0";
 
   src = fetchgit {
     url = "https://evilpiepirate.org/git/bcachefs.git";
-    rev = "2d1aed5672ad55f86544cb5352560d5395012136";
-    sha256 = "0b4swx0z36y4gglkjwxn3x1q0wknv4k2lbprhbing3ms0d45z9f2";
+    rev = "986543d24e08a0c0308472403b230d546e7ecbbb";
+    sha256 = "07h9l47wijhlx3xnyxnj8kv1zb9yf2x0gag8n606yq6wn9r523hv";
   };
 
   extraConfig = "BCACHEFS_FS m";