diff --git a/pkgs/development/python-modules/conda-libmamba-solver/default.nix b/pkgs/development/python-modules/conda-libmamba-solver/default.nix
index fceb265592e5..dcbe419854bc 100644
--- a/pkgs/development/python-modules/conda-libmamba-solver/default.nix
+++ b/pkgs/development/python-modules/conda-libmamba-solver/default.nix
@@ -9,7 +9,7 @@
 }:
 buildPythonPackage rec {
   pname = "conda-libmamba-solver";
-  version = "24.11.1";
+  version = "25.1.1";
   pyproject = true;
 
   src = fetchFromGitHub {
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "conda";
     repo = "conda-libmamba-solver";
     tag = version;
-    hash = "sha256-lIpMzm3wjkugMDwqmVFXDKVJyX/SdzFG5jelZRys8PQ=";
+    hash = "sha256-d6KLUhc7+KZ5H9vkI84S9TyximSwatu6lg7XIdMqtk0=";
   };