diff --git a/.github/workflows/python_deploy_dev.yml b/.github/workflows/python_deploy_dev.yml
index d42d67f424..f143e8ffca 100644
--- a/.github/workflows/python_deploy_dev.yml
+++ b/.github/workflows/python_deploy_dev.yml
@@ -19,7 +19,7 @@ jobs:
       contents: write
     with:
       package-name: 'mira-simpeg'
-      python-version: '3.10'
+      python-version: '3.12'
       source-repo-names: '["public-noremote-conda-dev"]'
       conda-channels: '["conda-forge"]'
       publish-repo-names: '["public-noremote-conda-dev"]'
@@ -36,7 +36,7 @@ jobs:
       package-manager: 'setuptools'
       package-name: 'mira-simpeg'
       version-tag: ${{ github.ref_name }}
-      python-version: '3.10'
+      python-version: '3.12'
       virtual-repo-names: '["public-pypi-dev", "test-pypi"]'
     secrets:
       JFROG_ARTIFACTORY_URL: ${{ secrets.JFROG_ARTIFACTORY_URL }}
diff --git a/.github/zizmor.yml b/.github/zizmor.yml
deleted file mode 100644
index b506949a16..0000000000
--- a/.github/zizmor.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-# Zizmor configuration
-# --------------------
-#
-# This file configures zizmor. This is not a workflow that gets run in GitHub
-# Actions.
-#
-# References: https://woodruffw.github.io/zizmor/configuration
-
-rules:
-  unpinned-uses:
-    config:
-      policies:
-        # Mimic default behaviour: official actions can get pinned by tag.
-        actions/*: ref-pin
-        # Allow to use tags to pin reviewdog actions.
-        reviewdog/action-black: ref-pin
-        reviewdog/action-flake8: ref-pin
diff --git a/pyproject.toml b/pyproject.toml
index 972e85bcfe..d725352dda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 name = "mira-simpeg"
 description = "Mira Geoscience fork of SimPEG: Simulation and Parameter Estimation in Geophysics"
 readme = "README.rst"
-requires-python = ">=3.10,<4.0"
+requires-python = ">=3.12,<4.0"
 
 authors = [
     { name = "SimPEG developers", email = "rowanc1@gmail.com" },
@@ -18,7 +18,7 @@ keywords = ["geophysics", "inverse problem"]
 dependencies = [
     "discretize>=0.11",
     "geoana>=0.7.0",
-    "geoh5py>=0.12.0rc, <0.14.dev",
+    "geoh5py~=0.13.0a2",
     "libdlf",
     "matplotlib",
     "numpy>=1.22",
diff --git a/recipe.yaml b/recipe.yaml
index fdf4133024..2d694fe929 100644
--- a/recipe.yaml
+++ b/recipe.yaml
@@ -4,7 +4,7 @@ context:
   name: "mira-simpeg"
   # Read version from _version.txt file generated by setuptools_scm
   version: ${{ load_from_file("_version.txt") | default("0.0.0.dev0") }}
-  python_min: "3.10"
+  python_min: "3.12"
   module_name: simpeg
 
 package:
@@ -21,14 +21,14 @@ build:
 
 requirements:
   host:
-    - python 3.10.*
+    - python ${{ python_min }}.*
     - setuptools >=64
     - setuptools_scm >=8
     - pip
   run:
     - python >=${{ python_min }}
     # Mira packages
-    - geoh5py >=0.12.0rc, <0.14.dev
+    - geoh5py >=0.13.0a2, 0.13.*
     # direct dependencies
     - dask-core *
     - discretize >=0.11
diff --git a/zizmor.yml b/zizmor.yml
index 01c57e8228..ada6a52fd5 100644
--- a/zizmor.yml
+++ b/zizmor.yml
@@ -1 +1,19 @@
+# Zizmor configuration
+# --------------------
+#
+# This file configures zizmor. This is not a workflow that gets run in GitHub
+# Actions.
+#
+# References: https://woodruffw.github.io/zizmor/configuration
+
 rules:
+  unpinned-uses:
+    config:
+      policies:
+        # Mimic default behaviour: official actions can get pinned by tag.
+        actions/*: ref-pin
+        # Allow to use tags to pin reviewdog actions.
+        reviewdog/action-black: ref-pin
+        reviewdog/action-flake8: ref-pin
+        # Allow to use tags to pin MiraGeoscience actions.
+        MiraGeoscience/*: ref-pin