diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index fa99f06e..ae7b0162 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -2,8 +2,8 @@ channels:
 - conda-forge
 dependencies:
 - flux-core
-- hatchling
-- hatch-vcs
+- hatchling =1.30.1
+- hatch-vcs =0.5.0
 - myst-parser
 - nbsphinx
 - numpy
diff --git a/.ci_support/environment-integration.yml b/.ci_support/environment-integration.yml
index 9dca1097..57e6bcc1 100644
--- a/.ci_support/environment-integration.yml
+++ b/.ci_support/environment-integration.yml
@@ -12,7 +12,7 @@ dependencies:
 - flux-core =0.81.0
 - flux-pmix =0.6.0
 - gpaw =25.7.0
-- hatchling =1.29.0
+- hatchling =1.30.1
 - hatch-vcs =0.5.0
 - ipython =9.9.0
 - matplotlib =3.10.8
diff --git a/.ci_support/environment-mini.yml b/.ci_support/environment-mini.yml
index d8138bb3..824fa68a 100644
--- a/.ci_support/environment-mini.yml
+++ b/.ci_support/environment-mini.yml
@@ -4,6 +4,6 @@ dependencies:
 - python
 - numpy =2.4.2
 - cloudpickle =3.1.0
-- hatchling =1.29.0
+- hatchling =1.30.1
 - hatch-vcs =0.5.0
 - pyzmq =27.1.0
diff --git a/.ci_support/environment-mpich.yml b/.ci_support/environment-mpich.yml
index 2b2862b7..431ea10e 100644
--- a/.ci_support/environment-mpich.yml
+++ b/.ci_support/environment-mpich.yml
@@ -6,7 +6,7 @@ dependencies:
 - mpich
 - cloudpickle =3.1.2
 - h5py =3.16.0
-- hatchling =1.29.0
+- hatchling =1.30.1
 - hatch-vcs =0.5.0
 - ipython =9.9.0
 - mpi4py =4.1.2
diff --git a/.ci_support/environment-openmpi.yml b/.ci_support/environment-openmpi.yml
index 1a2c214a..b0c479bd 100644
--- a/.ci_support/environment-openmpi.yml
+++ b/.ci_support/environment-openmpi.yml
@@ -6,7 +6,7 @@ dependencies:
 - openmpi
 - cloudpickle =3.1.2
 - h5py =3.16.0
-- hatchling =1.29.0
+- hatchling =1.30.1
 - hatch-vcs =0.5.0
 - ipython =9.9.0
 - mpi4py =4.1.2
diff --git a/.ci_support/environment-win.yml b/.ci_support/environment-win.yml
index ff277012..a8f7c462 100644
--- a/.ci_support/environment-win.yml
+++ b/.ci_support/environment-win.yml
@@ -6,7 +6,7 @@ dependencies:
 - msmpi
 - cloudpickle =3.1.2
 - h5py =3.16.0
-- hatchling =1.29.0
+- hatchling =1.30.1
 - hatch-vcs =0.5.0
 - ipython =9.9.0
 - mpi4py =4.1.2
diff --git a/binder/environment.yml b/binder/environment.yml
index 7b0a6e14..f5e9f504 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -7,7 +7,7 @@ dependencies:
 - cloudpickle =3.1.2
 - flux-core =0.81.0
 - flux-pmix =0.6.0
-- hatchling =1.29.0
+- hatchling =1.30.1
 - hatch-vcs =0.5.0
 - h5py =3.16.0
 - ipython =9.9.0
diff --git a/pyproject.toml b/pyproject.toml
index d38ffe5c..1fe94aca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "hatchling==1.29.0",
+    "hatchling==1.30.1",
     "hatch-vcs==0.5.0",
     "cloudpickle==3.1.2",
     "pyzmq==27.1.0",