diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3dcfd19..180ee0d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,5 +12,3 @@ jobs:
     uses: innmind/github-workflows/.github/workflows/psalm-matrix.yml@main
   cs:
     uses: innmind/github-workflows/.github/workflows/cs.yml@main
-    with:
-      php-version: '8.2'
diff --git a/.github/workflows/extensive.yml b/.github/workflows/extensive.yml
new file mode 100644
index 0000000..257f139
--- /dev/null
+++ b/.github/workflows/extensive.yml
@@ -0,0 +1,12 @@
+name: Extensive CI
+
+on:
+  push:
+    tags:
+      - '*'
+    paths:
+      - '.github/workflows/extensive.yml'
+
+jobs:
+  blackbox:
+    uses: innmind/github-workflows/.github/workflows/extensive.yml@main
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0fe9eb3..bf6d114 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [Unreleased]
+
+### Changed
+
+- Require PHP `8.4`
+- Require `innmind/immutable:~6.0`
+- Require `innmind/time-continuum:~5.0`
+
 ## 2.3.0 - 2025-09-15
 
 ### Added
diff --git a/composer.json b/composer.json
index 2ed01fe..6c0e207 100644
--- a/composer.json
+++ b/composer.json
@@ -15,9 +15,9 @@
         "issues": "http://github.com/innmind/validation/issues"
     },
     "require": {
-        "php": "~8.2",
-        "innmind/immutable": "~5.19",
-        "innmind/time-continuum": "~3.4|^4.0.2"
+        "php": "~8.4",
+        "innmind/immutable": "~6.0",
+        "innmind/time-continuum": "~5.0"
     },
     "autoload": {
         "psr-4": {
@@ -25,7 +25,7 @@
         }
     },
     "require-dev": {
-        "innmind/static-analysis": "^1.2.1",
+        "innmind/static-analysis": "~1.3",
         "innmind/black-box": "~6.1",
         "innmind/coding-standard": "~2.0"
     }
diff --git a/src/Constraint.php b/src/Constraint.php
index 99a8373..078afd3 100644
--- a/src/Constraint.php
+++ b/src/Constraint.php
@@ -284,7 +284,14 @@ public function mapFailures(callable $map): self
     #[\NoDiscard]
     public function asPredicate(): Predicate
     {
-        return namespace\Predicate::of($this->implementation);
+        /**
+         * @psalm-suppress MixedArgument
+         * @var Predicate<O>
+         */
+        return Predicate::of(fn($value) => ($this->implementation)($value)->match(
+            static fn() => true,
+            static fn() => false,
+        ));
     }
 
     /**
diff --git a/src/Predicate.php b/src/Predicate.php
deleted file mode 100644
index 80bfcf2..0000000
--- a/src/Predicate.php
+++ /dev/null
@@ -1,47 +0,0 @@
-<?php
-declare(strict_types = 1);
-
-namespace Innmind\Validation;
-
-use Innmind\Immutable\Predicate as PredicateInterface;
-
-/**
- * @internal
- * @template T
- * @implements PredicateInterface<T>
- * @psalm-immutable
- */
-final class Predicate implements PredicateInterface
-{
-    /**
-     * @param Constraint\Implementation<mixed, T> $constraint
-     */
-    private function __construct(
-        private Constraint\Implementation $constraint,
-    ) {
-    }
-
-    #[\Override]
-    public function __invoke(mixed $value): bool
-    {
-        return ($this->constraint)($value)->match(
-            static fn() => true,
-            static fn() => false,
-        );
-    }
-
-    /**
-     * @internal
-     * @template A
-     * @psalm-pure
-     *
-     * @param Constraint\Implementation<mixed, A> $constraint
-     *
-     * @return self<A>
-     */
-    #[\NoDiscard]
-    public static function of(Constraint\Implementation $constraint): self
-    {
-        return new self($constraint);
-    }
-}