diff --git a/pkgs/development/libraries/haskell/ekg-carbon/default.nix b/pkgs/development/libraries/haskell/ekg-carbon/default.nix
index 12c29f0d56e5..e69e6a5ae4a6 100644
--- a/pkgs/development/libraries/haskell/ekg-carbon/default.nix
+++ b/pkgs/development/libraries/haskell/ekg-carbon/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "ekg-carbon";
-  version = "1.0.0";
-  sha256 = "0zcnh74z0n0xxxr6r0j3kgpbfwli58y714k0mwwc2wxjgcv6xiyc";
+  version = "1.0.1";
+  sha256 = "1slaykn1a6f09dzn78v2aqw8snmidycvaw5cfyr4f0ndd88vi77d";
   buildDepends = [
     ekgCore network networkCarbon text time unorderedContainers vector
   ];