diff --git a/requirements-healpy.txt b/requirements-healpy.txt
index e0502c39d..97bf68536 100644
--- a/requirements-healpy.txt
+++ b/requirements-healpy.txt
@@ -4,7 +4,7 @@ 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"
 boule==0.6.0 ; python_version >= "3.11" and python_version < "3.15"
 certifi==2026.6.17 ; python_version >= "3.11" and python_version < "3.15"
-charset-normalizer==3.4.7 ; python_version >= "3.11" and python_version < "3.15"
+charset-normalizer==3.4.9 ; python_version >= "3.11" and python_version < "3.15"
 colorama==0.4.6 ; python_version >= "3.11" and python_version < "3.15" and platform_system == "Windows"
 contourpy==1.3.3 ; python_version >= "3.11" and python_version < "3.15"
 cycler==0.12.1 ; python_version >= "3.11" and python_version < "3.15"
diff --git a/requirements-jax.txt b/requirements-jax.txt
index c42c2945f..60edcc91f 100644
--- a/requirements-jax.txt
+++ b/requirements-jax.txt
@@ -5,7 +5,7 @@ autograd==1.9.1 ; python_version >= "3.11" and python_version < "3.15"
 beartype==0.22.9 ; python_version >= "3.11" and python_version < "3.15"
 boule==0.6.0 ; python_version >= "3.11" and python_version < "3.15"
 certifi==2026.6.17 ; python_version >= "3.11" and python_version < "3.15"
-charset-normalizer==3.4.7 ; python_version >= "3.11" and python_version < "3.15"
+charset-normalizer==3.4.9 ; python_version >= "3.11" and python_version < "3.15"
 colorama==0.4.6 ; python_version >= "3.11" and python_version < "3.15" and platform_system == "Windows"
 contourpy==1.3.3 ; python_version >= "3.11" and python_version < "3.15"
 cycler==0.12.1 ; python_version >= "3.11" and python_version < "3.15"
diff --git a/requirements-pytorch.txt b/requirements-pytorch.txt
index 7e15656af..294a36f15 100644
--- a/requirements-pytorch.txt
+++ b/requirements-pytorch.txt
@@ -4,7 +4,7 @@ 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"
 boule==0.6.0 ; python_version >= "3.11" and python_version < "3.15"
 certifi==2026.6.17 ; python_version >= "3.11" and python_version < "3.15"
-charset-normalizer==3.4.7 ; python_version >= "3.11" and python_version < "3.15"
+charset-normalizer==3.4.9 ; python_version >= "3.11" and python_version < "3.15"
 colorama==0.4.6 ; python_version >= "3.11" and python_version < "3.15" and platform_system == "Windows"
 contourpy==1.3.3 ; python_version >= "3.11" and python_version < "3.15"
 cuda-bindings==13.2.0 ; python_version >= "3.11" and python_version < "3.15" and platform_system == "Linux"