diff --git a/composer.json b/composer.json
index c727e69b..4f7a2d25 100644
--- a/composer.json
+++ b/composer.json
@@ -48,7 +48,7 @@
         "phpunit/phpunit": "^9",
         "amphp/http-server": "^3",
         "kelunik/link-header-rfc5988": "^1",
-        "psalm/phar": "^5.4",
+        "psalm/phar": "~5.23",
         "laminas/laminas-diactoros": "^2.3"
     },
     "suggest": {
diff --git a/psalm.xml b/psalm.xml
index 69159d6e..a929dff5 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -53,5 +53,11 @@
                 <directory name="src" />
             </errorLevel>
         </MissingClosureReturnType>
+
+        <RiskyTruthyFalsyComparison>
+            <errorLevel type="suppress">
+                <directory name="src" />
+            </errorLevel>
+        </RiskyTruthyFalsyComparison>
     </issueHandlers>
 </psalm>