diff --git a/requirements-healpy.txt b/requirements-healpy.txt
index 828aeec2d..3c4ae16e0 100644
--- a/requirements-healpy.txt
+++ b/requirements-healpy.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.10.12.1.3.27 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.10.19.0.52.1 ; python_version >= "3.11" and python_version < "3.15"
 astropy==8.0.2 ; python_version >= "3.11" and python_version < "3.15"
 attrs==26.1.0 ; python_version >= "3.11" and python_version < "3.15"
 beartype==0.23.1 ; python_version >= "3.11" and python_version < "3.15"
diff --git a/requirements-jax.txt b/requirements-jax.txt
index 9a75914e2..783b1bcf3 100644
--- a/requirements-jax.txt
+++ b/requirements-jax.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.10.12.1.3.27 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.10.19.0.52.1 ; python_version >= "3.11" and python_version < "3.15"
 astropy==8.0.2 ; 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 8497be700..f146b9c26 100644
--- a/requirements-pytorch.txt
+++ b/requirements-pytorch.txt
@@ -1,4 +1,4 @@
-astropy-iers-data==0.2026.10.12.1.3.27 ; python_version >= "3.11" and python_version < "3.15"
+astropy-iers-data==0.2026.10.19.0.52.1 ; python_version >= "3.11" and python_version < "3.15"
 astropy==8.0.2 ; python_version >= "3.11" and python_version < "3.15"
 attrs==26.1.0 ; python_version >= "3.11" and python_version < "3.15"
 beartype==0.23.1 ; python_version >= "3.11" and python_version < "3.15"