diff --git a/pkgs/development/python-modules/highdicom/default.nix b/pkgs/development/python-modules/highdicom/default.nix
index cf24c6278821..4bad96cb92eb 100644
--- a/pkgs/development/python-modules/highdicom/default.nix
+++ b/pkgs/development/python-modules/highdicom/default.nix
@@ -17,7 +17,7 @@
 
 buildPythonPackage rec {
   pname = "highdicom";
-  version = "0.26.1";
+  version = "0.27.0";
   pyproject = true;
 
   disabled = pythonOlder "3.10";
@@ -26,7 +26,7 @@ buildPythonPackage rec {
     owner = "MGHComputationalPathology";
     repo = "highdicom";
     tag = "v${version}";
-    hash = "sha256-zaa0daGMQHktYkG56JA2a7s5UZSv8AbinO5roe9rWQc=";
+    hash = "sha256-Tfy7u5MVapRE24CZLFzTnYChnH9JJ9V7FuUhDoktBFc=";
   };
 
   build-system = [