diff --git a/pkgs/development/python-modules/pymc/default.nix b/pkgs/development/python-modules/pymc/default.nix
index b82016a48fb6..000846fc8358 100644
--- a/pkgs/development/python-modules/pymc/default.nix
+++ b/pkgs/development/python-modules/pymc/default.nix
@@ -23,14 +23,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pymc";
-  version = "5.27.0";
+  version = "5.27.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pymc-devs";
     repo = "pymc";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-wBeWydrHrF+wNZnqWa2k8tCaUvjcoiSrmY85LUhrQds=";
+    hash = "sha256-9SPRt1R36pvsGOS0UUH3Ts/3D7W46nPnLbRc2XnU0xE=";
   };
 
   build-system = [
@@ -38,9 +38,6 @@ buildPythonPackage (finalAttrs: {
     versioneer
   ];
 
-  pythonRelaxDeps = [
-    "pytensor"
-  ];
   dependencies = [
     arviz
     cachetools