diff --git a/requirements-healpy.txt b/requirements-healpy.txt
index 62da3a09f..170023081 100644
--- a/requirements-healpy.txt
+++ b/requirements-healpy.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.9.21.0.56.25 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.9.28.0.59.37 ; python_version >= "3.11" and python_version < "3.15"
 astropy==8.0.1 ; python_version >= "3.11" and python_version < "3.15"
 attrs==26.1.0 ; python_version >= "3.11" and python_version < "3.15"
 beartype==0.22.9 ; python_version >= "3.11" and python_version < "3.15"
diff --git a/requirements-jax.txt b/requirements-jax.txt
index c0cf0dd6c..5a26d4b90 100644
--- a/requirements-jax.txt
+++ b/requirements-jax.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.9.21.0.56.25 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.9.28.0.59.37 ; python_version >= "3.11" and python_version < "3.15"
 astropy==8.0.1 ; python_version >= "3.11" and python_version < "3.15"
 attrs==26.1.0 ; python_version >= "3.11" and python_version < "3.15"
 autograd==1.9.1 ; python_version >= "3.11" and python_version < "3.15"
diff --git a/requirements-pytorch.txt b/requirements-pytorch.txt
index 646bff731..37bdc8ca1 100644
--- a/requirements-pytorch.txt
+++ b/requirements-pytorch.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.9.21.0.56.25 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.9.28.0.59.37 ; python_version >= "3.11" and python_version < "3.15"
 astropy==8.0.1 ; python_version >= "3.11" and python_version < "3.15"
 attrs==26.1.0 ; python_version >= "3.11" and python_version < "3.15"
 beartype==0.22.9 ; python_version >= "3.11" and python_version < "3.15"