diff --git a/composer.json b/composer.json
index 35aef2a..df6b7bf 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
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         "roave/security-advisories": "dev-latest",
-        "phpunit/phpunit": "10.5.63",
+        "phpunit/phpunit": "10.5.64",
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diff --git a/composer.lock b/composer.lock
index dd5d539..dcbdda5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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     ],
-    "content-hash": "d9fecb7ef33ffd88518bda48a684b604",
+    "content-hash": "a40438eff0ae7c696dcb164941f8998a",
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             "name": "personnummer/personnummer",
@@ -692,24 +692,24 @@
         },
         {
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+            "version": "10.5.64",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "33198268dad71e926626b618f3ec3966661e4d90"
+                "reference": "0e8c1d19cea35ad97d4887f363d07c78e30fbf06"
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             "dist": {
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-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/33198268dad71e926626b618f3ec3966661e4d90",
-                "reference": "33198268dad71e926626b618f3ec3966661e4d90",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/0e8c1d19cea35ad97d4887f363d07c78e30fbf06",
+                "reference": "0e8c1d19cea35ad97d4887f363d07c78e30fbf06",
                 "shasum": ""
             },
             "require": {
                 "ext-dom": "*",
+                "ext-filter": "*",
                 "ext-json": "*",
                 "ext-libxml": "*",
                 "ext-mbstring": "*",
-                "ext-xml": "*",
                 "ext-xmlwriter": "*",
                 "myclabs/deep-copy": "^1.13.4",
                 "phar-io/manifest": "^2.0.4",
@@ -773,31 +773,15 @@
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                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.63"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.64"
             },
             "funding": [
                 {
-                    "url": "https://phpunit.de/sponsors.html",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/sebastianbergmann",
-                    "type": "github"
-                },
-                {
-                    "url": "https://liberapay.com/sebastianbergmann",
-                    "type": "liberapay"
-                },
-                {
-                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
-                    "type": "thanks_dev"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/phpunit/phpunit",
-                    "type": "tidelift"
+                    "url": "https://phpunit.de/sponsoring.html",
+                    "type": "other"
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-            "time": "2026-01-27T05:48:37+00:00"
+            "time": "2026-07-06T14:50:35+00:00"
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         {
             "name": "roave/security-advisories",