diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ed09edb..105ee7c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -88,8 +88,7 @@ jobs:
       - name: Run PHPStan
         run: vendor/bin/phpstan analyse --no-progress
       - name: Run psalm
-        if: ${{ matrix.os != 'windows-latest' }}
-        run: vendor/bin/psalm --show-info=true
+        run: vendor/bin/psalm --show-info=false
       - name: Run phan
         if: ${{ matrix.os != 'windows-latest' }}
         run: vendor/bin/phan
diff --git a/MO4/Sniffs/Formatting/AlphabeticalUseStatementsSniff.php b/MO4/Sniffs/Formatting/AlphabeticalUseStatementsSniff.php
index 86f00e2..96fe0d8 100644
--- a/MO4/Sniffs/Formatting/AlphabeticalUseStatementsSniff.php
+++ b/MO4/Sniffs/Formatting/AlphabeticalUseStatementsSniff.php
@@ -301,6 +301,7 @@ private function findNewDestination(File $phpcsFile, int $stackPtr, string $impo
 
             // Use $line for the first iteration.
             if (false !== $prevLine) {
+                /** @psalm-suppress NoValue */
                 $line = $prevLine;
             }
 
diff --git a/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php b/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
index 18b9d0f..df06976 100644
--- a/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
+++ b/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
@@ -376,6 +376,7 @@ private function checkShorthandPossible(File $phpcsFile, array $useStatements, s
         if (true === $isDocBlock) {
             $tokens     = $phpcsFile->getTokens();
             $oldContent = $tokens[$startPtr]['content'];
+            /** @var string $newContent */
             $newContent = \str_replace($className, $replacement, $oldContent);
             $phpcsFile->fixer->replaceToken($startPtr, $newContent);
         } else {
diff --git a/composer.json b/composer.json
index 86bd72a..4ad1624 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,7 @@
         "phpstan/phpstan-strict-rules": "^1.0",
         "phpunit/phpunit": "^9.0",
         "psalm/plugin-phpunit": "^0.18",
-        "vimeo/psalm": "^4.30"
+        "vimeo/psalm": "^5.17"
     },
     "config": {
         "allow-plugins": {
diff --git a/psalm.xml b/psalm.xml
index f4813e5..0079020 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -5,6 +5,8 @@
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
     autoloader="tests/bootstrap.php"
+    findUnusedBaselineEntry="true"
+    findUnusedCode="false"
 >
     <projectFiles>
         <directory name="MO4" />