diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 6d4c1c1c..38ce05f5 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -14,6 +14,7 @@
     <file>tests</file>
 
     <exclude-pattern>tests/psalm-stubs.php</exclude-pattern>
+    <exclude-pattern>src/Cache</exclude-pattern>
 
     <rule ref="Doctrine">
         <exclude name="Generic.Files.LineLength.TooLong"/>
diff --git a/psalm.xml.dist b/psalm.xml.dist
index 60328f81..1afe1dd1 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -14,6 +14,7 @@
             <file name="stub/TwigMethods-Twig2.php" />
             <file name="stub/TwigMethods-Twig3.php" />
             <file name="tests/psalm-stubs.php" />
+            <directory name="src/Cache" />
         </ignoreFiles>
     </projectFiles>
     <stubs>
diff --git a/src/Cache/DevNullCache.php b/src/Cache/DevNullCache.php
index 750a3663..7e71067c 100644
--- a/src/Cache/DevNullCache.php
+++ b/src/Cache/DevNullCache.php
@@ -4,75 +4,19 @@
 
 namespace Scoutapm\Cache;
 
-use Psr\SimpleCache\CacheInterface;
+use Composer\InstalledVersions;
 
-use function array_combine;
-use function array_map;
-use function is_array;
-use function iterator_to_array;
-
-/** @internal */
-final class DevNullCache implements CacheInterface
-{
-    /** @inheritDoc */
-    public function get($key, $default = null)
-    {
-        return $default;
-    }
-
-    /** @inheritDoc */
-    public function set($key, $value, $ttl = null): bool
-    {
-        return true;
-    }
-
-    /** @inheritDoc */
-    public function delete($key): bool
-    {
-        return true;
-    }
-
-    public function clear(): bool
-    {
-        return true;
-    }
-
-    /** @inheritDoc */
-    public function getMultiple($keys, $default = null)
+$simpleCacheVersion = InstalledVersions::getPrettyVersion('psr/simple-cache');
+if (version_compare($simpleCacheVersion, '2.0.0', '<')) {
+    /** @internal */
+    final class DevNullCache extends DevNullCacheSimpleCache1
     {
-        if (is_array($keys)) {
-            $keysAsArray = $keys;
-        } else {
-            $keysAsArray = iterator_to_array($keys, false);
-        }
-
-        return array_combine(
-            $keysAsArray,
-            array_map(
-                /** @return mixed */
-                function (string $key) use ($default) {
-                    return $this->get($key, $default);
-                },
-                $keysAsArray
-            )
-        );
     }
 
-    /** @inheritDoc */
-    public function setMultiple($values, $ttl = null): bool
-    {
-        return true;
-    }
-
-    /** @inheritDoc */
-    public function deleteMultiple($keys): bool
-    {
-        return true;
-    }
+    return;
+}
 
-    /** @inheritDoc */
-    public function has($key): bool
-    {
-        return false;
-    }
+/** @internal */
+final class DevNullCache extends DevNullCacheSimpleCache2And3
+{
 }
diff --git a/src/Cache/DevNullCacheSimpleCache1.php b/src/Cache/DevNullCacheSimpleCache1.php
new file mode 100644
index 00000000..68e3ed26
--- /dev/null
+++ b/src/Cache/DevNullCacheSimpleCache1.php
@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Scoutapm\Cache;
+
+use Psr\SimpleCache\CacheInterface;
+
+use function array_combine;
+use function array_map;
+use function is_array;
+use function iterator_to_array;
+
+/** @internal */
+abstract class DevNullCacheSimpleCache1 implements CacheInterface
+{
+    /** @inheritDoc */
+    public function get($key, $default = null)
+    {
+        return $default;
+    }
+
+    /** @inheritDoc */
+    public function set($key, $value, $ttl = null): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function delete($key): bool
+    {
+        return true;
+    }
+
+    public function clear(): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function getMultiple($keys, $default = null)
+    {
+        if (is_array($keys)) {
+            $keysAsArray = $keys;
+        } else {
+            $keysAsArray = iterator_to_array($keys, false);
+        }
+
+        return array_combine(
+            $keysAsArray,
+            array_map(
+                /** @return mixed */
+                function (string $key) use ($default) {
+                    return $this->get($key, $default);
+                },
+                $keysAsArray
+            )
+        );
+    }
+
+    /** @inheritDoc */
+    public function setMultiple($values, $ttl = null): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function deleteMultiple($keys): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function has($key): bool
+    {
+        return false;
+    }
+}
diff --git a/src/Cache/DevNullCacheSimpleCache2And3.php b/src/Cache/DevNullCacheSimpleCache2And3.php
new file mode 100644
index 00000000..3aa60155
--- /dev/null
+++ b/src/Cache/DevNullCacheSimpleCache2And3.php
@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Scoutapm\Cache;
+
+use DateInterval;
+use Psr\SimpleCache\CacheInterface;
+
+use function array_combine;
+use function array_map;
+use function is_array;
+use function iterator_to_array;
+
+/** @internal */
+abstract class DevNullCacheSimpleCache2And3 implements CacheInterface
+{
+    /** @inheritDoc */
+    public function get(string $key, mixed $default = null): mixed
+    {
+        return $default;
+    }
+
+    /** @inheritDoc */
+    public function set(string $key, mixed $value, null|int|DateInterval $ttl = null): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function delete(string $key): bool
+    {
+        return true;
+    }
+
+    public function clear(): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function getMultiple(iterable $keys, mixed $default = null): iterable
+    {
+        if (is_array($keys)) {
+            $keysAsArray = $keys;
+        } else {
+            $keysAsArray = iterator_to_array($keys, false);
+        }
+
+        return array_combine(
+            $keysAsArray,
+            array_map(
+                /** @return mixed */
+                function (string $key) use ($default) {
+                    return $this->get($key, $default);
+                },
+                $keysAsArray
+            )
+        );
+    }
+
+    /** @inheritDoc */
+    public function setMultiple(iterable $values, null|int|DateInterval $ttl = null): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function deleteMultiple(iterable $keys): bool
+    {
+        return true;
+    }
+
+    /** @inheritDoc */
+    public function has(string $key): bool
+    {
+        return false;
+    }
+}