diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fc5e6ccb..1e028659 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,16 +16,16 @@ repos:
       - id: check-case-conflict
       - id: check-ast
   - repo: https://github.com/hadialqattan/pycln
-    rev: v2.1.6
+    rev: v2.2.2
     hooks:
       - id: pycln
         args: [--config=pyproject.toml]
   - repo: https://github.com/psf/black
-    rev: 23.7.0
+    rev: 23.9.1
     hooks:
       - id: black
   - repo: https://github.com/asottile/blacken-docs
-    rev: 1.15.0
+    rev: 1.16.0
     hooks:
       - id: blacken-docs
   - repo: https://github.com/pycqa/isort
@@ -34,7 +34,7 @@ repos:
       - id: isort
         args: ["--profile", "black"]
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.9.0
+    rev: v3.11.0
     hooks:
       - id: pyupgrade
   - repo: https://github.com/pycqa/pydocstyle
@@ -45,6 +45,6 @@ repos:
         additional_dependencies:
           - toml
   - repo: https://github.com/pre-commit/pre-commit
-    rev: v3.3.3
+    rev: v3.4.0
     hooks:
       - id: validate_manifest
diff --git a/src/pineko/theory.py b/src/pineko/theory.py
index 8d85be43..849cd32a 100644
--- a/src/pineko/theory.py
+++ b/src/pineko/theory.py
@@ -396,8 +396,11 @@ def fk(self, name, grid_path, tcard, pdf):
         if sv_method is None:
             if not np.isclose(xif, 1.0):
                 check_scvar_evolve(grid, max_as, max_al, check.Scale.FACT)
-        # loading ekos
-        with eko.EKO.edit(eko_filename) as operators:
+        # loading ekos to produce a tmp copy
+        with eko.EKO.read(eko_filename) as operators:
+            eko_tmp_path = operators.paths.root.parent / "eko-tmp.tar"
+            operators.deepcopy(eko_tmp_path)
+        with eko.EKO.edit(eko_tmp_path) as operators:
             # Obtain the assumptions hash
             assumptions = theory_card.construct_assumptions(tcard)
             # do it!
@@ -431,6 +434,9 @@ def fk(self, name, grid_path, tcard, pdf):
                 assumptions=assumptions,
                 comparison_pdf=pdf,
             )
+        # Remove tmp ekos
+        eko_tmp_path.unlink()
+
         logger.info(
             "Finished computation of %s - took %f s",
             name,