diff --git a/pkgs/development/ocaml-modules/ca-certs/default.nix b/pkgs/development/ocaml-modules/ca-certs/default.nix
index 23a76af41387..5d967c80c2dc 100644
--- a/pkgs/development/ocaml-modules/ca-certs/default.nix
+++ b/pkgs/development/ocaml-modules/ca-certs/default.nix
@@ -16,13 +16,13 @@
 
 buildDunePackage rec {
   pname = "ca-certs";
-  version = "1.0.0";
+  version = "1.0.1";
 
   minimalOCamlVersion = "4.08";
 
   src = fetchurl {
     url = "https://github.com/mirage/ca-certs/releases/download/v${version}/ca-certs-${version}.tbz";
-    hash = "sha256-hpDyMSNGckeZ8tihtoTsFrYnsCfUFkgDoOK34kYsCnI=";
+    hash = "sha256-0818j1SLrs7yCNQlh3qBHYmOx9HZxL3qb3hlLHyDYcw=";
   };
 
   propagatedBuildInputs = [