diff --git a/requirements-healpy.txt b/requirements-healpy.txt
index 819c60714..624398d62 100644
--- a/requirements-healpy.txt
+++ b/requirements-healpy.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.10.5.1.0.7 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.10.12.1.3.27 ; 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 b2d39eec2..77d2c8d21 100644
--- a/requirements-jax.txt
+++ b/requirements-jax.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.10.5.1.0.7 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.10.12.1.3.27 ; 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 b40435dd1..f9aa371fd 100644
--- a/requirements-pytorch.txt
+++ b/requirements-pytorch.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.10.5.1.0.7 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.10.12.1.3.27 ; 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"