diff --git a/pkgs/development/python-modules/hydra-core/default.nix b/pkgs/development/python-modules/hydra-core/default.nix
index 6f48efcff234..0c63d93d544e 100644
--- a/pkgs/development/python-modules/hydra-core/default.nix
+++ b/pkgs/development/python-modules/hydra-core/default.nix
@@ -26,7 +26,7 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "hydra-core";
-  version = "1.3.3";
+  version = "1.3.4";
   pyproject = true;
   __structuredAttrs = true;
 
@@ -34,7 +34,7 @@ buildPythonPackage (finalAttrs: {
     owner = "facebookresearch";
     repo = "hydra";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-5+uD3AzkV9MVRUWhYoIPo7D0GozQasEjeCNl8tBAB8c=";
+    hash = "sha256-H947PLC0lkV9WJXXLtC0ThWHaAlsdWY6YSWiuRD9Y00=";
   };
 
   patches = [