diff --git a/cpython-unix/build.py b/cpython-unix/build.py
index 22b5a2a4..a0aaa470 100755
--- a/cpython-unix/build.py
+++ b/cpython-unix/build.py
@@ -51,7 +51,16 @@
 EXTENSION_MODULES = SUPPORT / "extension-modules.yml"
 TARGETS_CONFIG = SUPPORT / "targets.yml"
 
-LINUX_ALLOW_SYSTEM_LIBRARIES = {"c", "crypt", "dl", "m", "pthread", "rt", "util"}
+LINUX_ALLOW_SYSTEM_LIBRARIES = {
+    "c",
+    "crypt",
+    "dl",
+    "m",
+    "pthread",
+    "rt",
+    "util",
+    "atomic",
+}
 MACOS_ALLOW_SYSTEM_LIBRARIES = {"dl", "m", "pthread"}
 MACOS_ALLOW_FRAMEWORKS = {"CoreFoundation"}
 
diff --git a/pythonbuild/downloads.py b/pythonbuild/downloads.py
index f07dcf53..f444a4e8 100644
--- a/pythonbuild/downloads.py
+++ b/pythonbuild/downloads.py
@@ -35,46 +35,46 @@
         "license_file": "LICENSE.bzip2.txt",
     },
     "cpython-3.9": {
-        "url": "https://www.python.org/ftp/python/3.9.20/Python-3.9.20.tar.xz",
-        "size": 19648968,
-        "sha256": "6b281279efd85294d2d6993e173983a57464c0133956fbbb5536ec9646beaf0c",
-        "version": "3.9.20",
+        "url": "https://www.python.org/ftp/python/3.9.21/Python-3.9.21.tar.xz",
+        "size": 19647056,
+        "sha256": "3126f59592c9b0d798584755f2bf7b081fa1ca35ce7a6fea980108d752a05bb1",
+        "version": "3.9.21",
         "licenses": ["Python-2.0", "CNRI-Python"],
         "license_file": "LICENSE.cpython.txt",
         "python_tag": "cp39",
     },
     "cpython-3.10": {
-        "url": "https://www.python.org/ftp/python/3.10.15/Python-3.10.15.tar.xz",
-        "size": 19596540,
-        "sha256": "aab0950817735172601879872d937c1e4928a57c409ae02369ec3d91dccebe79",
-        "version": "3.10.15",
+        "url": "https://www.python.org/ftp/python/3.10.16/Python-3.10.16.tar.xz",
+        "size": 19610392,
+        "sha256": "bfb249609990220491a1b92850a07135ed0831e41738cf681d63cf01b2a8fbd1",
+        "version": "3.10.16",
         "licenses": ["Python-2.0", "CNRI-Python"],
         "license_file": "LICENSE.cpython.txt",
         "python_tag": "cp310",
     },
     "cpython-3.11": {
-        "url": "https://www.python.org/ftp/python/3.11.10/Python-3.11.10.tar.xz",
-        "size": 20067656,
-        "sha256": "07a4356e912900e61a15cb0949a06c4a05012e213ecd6b4e84d0f67aabbee372",
-        "version": "3.11.10",
+        "url": "https://www.python.org/ftp/python/3.11.11/Python-3.11.11.tar.xz",
+        "size": 20085792,
+        "sha256": "2a9920c7a0cd236de33644ed980a13cbbc21058bfdc528febb6081575ed73be3",
+        "version": "3.11.11",
         "licenses": ["Python-2.0", "CNRI-Python"],
         "license_file": "LICENSE.cpython.txt",
         "python_tag": "cp311",
     },
     "cpython-3.12": {
-        "url": "https://www.python.org/ftp/python/3.12.7/Python-3.12.7.tar.xz",
-        "size": 20444032,
-        "sha256": "24887b92e2afd4a2ac602419ad4b596372f67ac9b077190f459aba390faf5550",
-        "version": "3.12.7",
+        "url": "https://www.python.org/ftp/python/3.12.8/Python-3.12.8.tar.xz",
+        "size": 20489808,
+        "sha256": "c909157bb25ec114e5869124cc2a9c4a4d4c1e957ca4ff553f1edc692101154e",
+        "version": "3.12.8",
         "licenses": ["Python-2.0", "CNRI-Python"],
         "license_file": "LICENSE.cpython.txt",
         "python_tag": "cp312",
     },
     "cpython-3.13": {
-        "url": "https://www.python.org/ftp/python/3.13.0/Python-3.13.0.tar.xz",
-        "size": 22532980,
-        "sha256": "086de5882e3cb310d4dca48457522e2e48018ecd43da9cdf827f6a0759efb07d",
-        "version": "3.13.0",
+        "url": "https://www.python.org/ftp/python/3.13.1/Python-3.13.1.tar.xz",
+        "size": 22589692,
+        "sha256": "9cf9427bee9e2242e3877dd0f6b641c1853ca461f39d6503ce260a59c80bf0d9",
+        "version": "3.13.1",
         "licenses": ["Python-2.0", "CNRI-Python"],
         "license_file": "LICENSE.cpython.txt",
         "python_tag": "cp313",
diff --git a/src/validation.rs b/src/validation.rs
index cb29de40..128d78e6 100644
--- a/src/validation.rs
+++ b/src/validation.rs
@@ -68,6 +68,7 @@ const ELF_ALLOWED_LIBRARIES: &[&str] = &[
     "libpthread.so.0",
     "librt.so.1",
     "libutil.so.1",
+    "libatomic.so.1",
 ];
 
 const PE_ALLOWED_LIBRARIES: &[&str] = &[
@@ -1487,8 +1488,7 @@ fn validate_extension_modules(
             wanted.extend(GLOBAL_EXTENSIONS_LINUX_PRE_3_13);
         }
 
-        if !is_linux_musl && matches!(python_major_minor, "3.9" | "3.10" | "3.11" | "3.12")
-        {
+        if !is_linux_musl && matches!(python_major_minor, "3.9" | "3.10" | "3.11" | "3.12") {
             wanted.insert("ossaudiodev");
         }
     }