diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87595fd08..75081615b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 7.5.3 (2025-09-17)
+
+- Update python version to `>=3.9.2` to leverage newer language feature and maintain support for dependencies
+- deps: update dependencies `cryptography@45.0.7` and `pyopenssl@^25.3.0`
+
 ## 7.5.2 (2025-02-10)
 
 - Include the XSD of the XML Encryption Syntax and Processing Version 1.1 to the schema validator
diff --git a/poetry.lock b/poetry.lock
index 93e085568..deed415e8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -395,38 +395,49 @@ toml = ["tomli"]
 
 [[package]]
 name = "cryptography"
-version = "43.0.3"
+version = "45.0.7"
 description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
 optional = false
-python-versions = ">=3.7"
-files = [
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-    {file = "cryptography-43.0.3-cp37-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:63efa177ff54aec6e1c0aefaa1a241232dcd37413835a9b674b6e3f0ae2bfd3e"},
-    {file = "cryptography-43.0.3-cp37-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7e1ce50266f4f70bf41a2c6dc4358afadae90e2a1e5342d3c08883df1675374f"},
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-    {file = "cryptography-43.0.3-pp310-pypy310_pp73-win_amd64.whl", hash = "sha256:f18c716be16bc1fea8e95def49edf46b82fccaa88587a45f8dc0ff6ab5d8e0a7"},
-    {file = "cryptography-43.0.3-pp39-pypy39_pp73-macosx_10_9_x86_64.whl", hash = "sha256:4a02ded6cd4f0a5562a8887df8b3bd14e822a90f97ac5e544c162899bc467664"},
-    {file = "cryptography-43.0.3-pp39-pypy39_pp73-manylinux_2_28_aarch64.whl", hash = "sha256:53a583b6637ab4c4e3591a15bc9db855b8d9dee9a669b550f311480acab6eb08"},
-    {file = "cryptography-43.0.3-pp39-pypy39_pp73-manylinux_2_28_x86_64.whl", hash = "sha256:1ec0bcf7e17c0c5669d881b1cd38c4972fade441b27bda1051665faaa89bdcaa"},
-    {file = "cryptography-43.0.3-pp39-pypy39_pp73-win_amd64.whl", hash = "sha256:2ce6fae5bdad59577b44e4dfed356944fbf1d925269114c28be377692643b4ff"},
-    {file = "cryptography-43.0.3.tar.gz", hash = "sha256:315b9001266a492a6ff443b61238f956b214dbec9910a081ba5b6646a055a805"},
+python-versions = ">=3.9.2"
+groups = ["main", "dev"]
+files = [
+    {file = "cryptography-45.0.7-cp311-abi3-macosx_10_9_universal2.whl", hash = "sha256:3be4f21c6245930688bd9e162829480de027f8bf962ede33d4f8ba7d67a00cee"},
+    {file = "cryptography-45.0.7-cp311-abi3-manylinux2014_aarch64.manylinux_2_17_aarch64.whl", hash = "sha256:67285f8a611b0ebc0857ced2081e30302909f571a46bfa7a3cc0ad303fe015c6"},
+    {file = "cryptography-45.0.7-cp311-abi3-manylinux2014_x86_64.manylinux_2_17_x86_64.whl", hash = "sha256:577470e39e60a6cd7780793202e63536026d9b8641de011ed9d8174da9ca5339"},
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+    {file = "cryptography-45.0.7-cp311-abi3-manylinux_2_28_armv7l.manylinux_2_31_armv7l.whl", hash = "sha256:465ccac9d70115cd4de7186e60cfe989de73f7bb23e8a7aa45af18f7412e75bf"},
+    {file = "cryptography-45.0.7-cp311-abi3-manylinux_2_28_x86_64.whl", hash = "sha256:16ede8a4f7929b4b7ff3642eba2bf79aa1d71f24ab6ee443935c0d269b6bc513"},
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+    {file = "cryptography-45.0.7-pp311-pypy311_pp73-manylinux_2_34_aarch64.whl", hash = "sha256:2f641b64acc00811da98df63df7d59fd4706c0df449da71cb7ac39a0732b40ae"},
+    {file = "cryptography-45.0.7-pp311-pypy311_pp73-manylinux_2_34_x86_64.whl", hash = "sha256:f5414a788ecc6ee6bc58560e85ca624258a55ca434884445440a810796ea0e0b"},
+    {file = "cryptography-45.0.7-pp311-pypy311_pp73-win_amd64.whl", hash = "sha256:1f3d56f73595376f4244646dd5c5870c14c196949807be39e79e7bd9bac3da63"},
+    {file = "cryptography-45.0.7.tar.gz", hash = "sha256:4b1654dfc64ea479c242508eb8c724044f1e964a47d1d1cacc5132292d851971"},
 ]
 
 [package.dependencies]
@@ -1250,13 +1261,13 @@ zstd = ["zstandard"]
 
 [[package]]
 name = "pyopenssl"
-version = "24.2.1"
+version = "25.3.0"
 description = "Python wrapper module around the OpenSSL library"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "pyOpenSSL-24.2.1-py3-none-any.whl", hash = "sha256:967d5719b12b243588573f39b0c677637145c7a1ffedcd495a487e58177fbb8d"},
-    {file = "pyopenssl-24.2.1.tar.gz", hash = "sha256:4247f0dbe3748d560dcbb2ff3ea01af0f9a1a001ef5f7c4c647956ed8cbf0e95"},
+    {file = "pyopenssl-25.3.0-py3-none-any.whl", hash = "sha256:1fda6fc034d5e3d179d39e59c1895c9faeaf40a79de5fc4cbbfbe0d36f4a77b6"},
+    {file = "pyopenssl-25.3.0.tar.gz", hash = "sha256:c981cb0a3fd84e8602d7afc209522773b94c1c2446a3c710a75b06fe1beae329"},
 ]
 
 [package.dependencies]
diff --git a/pyproject.toml b/pyproject.toml
index 985692043..b60aeccb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pysaml2"
-version = "7.5.2"
+version = "7.5.3"
 description = "Python implementation of SAML Version 2 Standard"
 license = "Apache-2.0"
 authors = ["IdentityPython <discuss@idpy.org>"]
@@ -36,13 +36,13 @@ merge_metadata = "saml2.tools.merge_metadata:main"
 parse_xsd2 = "saml2.tools.parse_xsd2:main"
 
 [tool.poetry.dependencies]
-python = "^3.9"
-cryptography = ">=3.1"
+python = ">=3.9.2"
+cryptography = "45.0.7"
 defusedxml = "*"
 importlib-metadata = {version = ">=1.7.0", python = "<3.8"}
 importlib-resources = {python = "<3.9", version = "*"}
 paste = {optional = true, version = "*"}
-pyopenssl = "<24.3.0"
+pyopenssl = "^25.3.0"
 python-dateutil = "*"
 pytz = "*"
 "repoze.who" = {optional = true, version = "*"}