diff --git a/pkgs/development/libraries/cpp-hocon/default.nix b/pkgs/development/libraries/cpp-hocon/default.nix
index f08077a9a3cf..c2f3ce9b9b4a 100644
--- a/pkgs/development/libraries/cpp-hocon/default.nix
+++ b/pkgs/development/libraries/cpp-hocon/default.nix
@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "cpp-hocon-${version}";
-  version = "0.2.0";
+  version = "0.2.1";
 
   src = fetchFromGitHub {
-    sha256 = "084vsn080z8mp5s54jaq0qdwlx0p62nbw1i0rffkag477h8vq68i";
+    sha256 = "0ar7q3rp46m01wvfa289bxnk9xma3ydc67by7i4nrpz8vamvhwc3";
     rev = version;
     repo = "cpp-hocon";
     owner = "puppetlabs";