diff --git a/DeprecationErrorHandler.php b/DeprecationErrorHandler.php
index c67eca0..49dbeb6 100644
--- a/DeprecationErrorHandler.php
+++ b/DeprecationErrorHandler.php
@@ -310,7 +310,7 @@ private function displayDeprecations($groups, $configuration)
 
         if ($configuration->shouldWriteToLogFile()) {
             if (false === $handle = @fopen($file = $configuration->getLogFile(), 'a')) {
-                throw new \InvalidArgumentException(sprintf('The configured log file "%s" is not writeable.', $file));
+                throw new \InvalidArgumentException(\sprintf('The configured log file "%s" is not writeable.', $file));
             }
         } else {
             $handle = fopen('php://output', 'w');
@@ -318,7 +318,7 @@ private function displayDeprecations($groups, $configuration)
 
         foreach ($groups as $group) {
             if ($this->deprecationGroups[$group]->count()) {
-                $deprecationGroupMessage = sprintf(
+                $deprecationGroupMessage = \sprintf(
                     '%s deprecation notices (%d)',
                     \in_array($group, ['direct', 'indirect', 'self'], true) ? "Remaining $group" : ucfirst($group),
                     $this->deprecationGroups[$group]->count()
@@ -337,7 +337,7 @@ private function displayDeprecations($groups, $configuration)
                 uasort($notices, $cmp);
 
                 foreach ($notices as $msg => $notice) {
-                    fwrite($handle, sprintf("\n  %sx: %s\n", $notice->count(), $msg));
+                    fwrite($handle, \sprintf("\n  %sx: %s\n", $notice->count(), $msg));
 
                     $countsByCaller = $notice->getCountsByCaller();
                     arsort($countsByCaller);
@@ -349,7 +349,7 @@ private function displayDeprecations($groups, $configuration)
                                 fwrite($handle, "    ...\n");
                                 break;
                             }
-                            fwrite($handle, sprintf("    %dx in %s\n", $count, preg_replace('/(.*)\\\\(.*?::.*?)$/', '$2 from $1', $method)));
+                            fwrite($handle, \sprintf("    %dx in %s\n", $count, preg_replace('/(.*)\\\\(.*?::.*?)$/', '$2 from $1', $method)));
                         }
                     }
                 }
diff --git a/DeprecationErrorHandler/Configuration.php b/DeprecationErrorHandler/Configuration.php
index 54182d2..108b637 100644
--- a/DeprecationErrorHandler/Configuration.php
+++ b/DeprecationErrorHandler/Configuration.php
@@ -76,10 +76,10 @@ private function __construct(array $thresholds = [], $regex = '', $verboseOutput
 
         foreach ($thresholds as $group => $threshold) {
             if (!\in_array($group, $groups, true)) {
-                throw new \InvalidArgumentException(sprintf('Unrecognized threshold "%s", expected one of "%s".', $group, implode('", "', $groups)));
+                throw new \InvalidArgumentException(\sprintf('Unrecognized threshold "%s", expected one of "%s".', $group, implode('", "', $groups)));
             }
             if (!is_numeric($threshold)) {
-                throw new \InvalidArgumentException(sprintf('Threshold for group "%s" has invalid value "%s".', $group, $threshold));
+                throw new \InvalidArgumentException(\sprintf('Threshold for group "%s" has invalid value "%s".', $group, $threshold));
             }
             $this->thresholds[$group] = (int) $threshold;
         }
@@ -111,17 +111,17 @@ private function __construct(array $thresholds = [], $regex = '', $verboseOutput
 
         foreach ($verboseOutput as $group => $status) {
             if (!isset($this->verboseOutput[$group])) {
-                throw new \InvalidArgumentException(sprintf('Unsupported verbosity group "%s", expected one of "%s".', $group, implode('", "', array_keys($this->verboseOutput))));
+                throw new \InvalidArgumentException(\sprintf('Unsupported verbosity group "%s", expected one of "%s".', $group, implode('", "', array_keys($this->verboseOutput))));
             }
             $this->verboseOutput[$group] = $status;
         }
 
         if ($ignoreFile) {
             if (!is_file($ignoreFile)) {
-                throw new \InvalidArgumentException(sprintf('The ignoreFile "%s" does not exist.', $ignoreFile));
+                throw new \InvalidArgumentException(\sprintf('The ignoreFile "%s" does not exist.', $ignoreFile));
             }
             set_error_handler(static function ($t, $m) use ($ignoreFile, &$line) {
-                throw new \RuntimeException(sprintf('Invalid pattern found in "%s" on line "%d"', $ignoreFile, 1 + $line).substr($m, 12));
+                throw new \RuntimeException(\sprintf('Invalid pattern found in "%s" on line "%d"', $ignoreFile, 1 + $line).substr($m, 12));
             });
             try {
                 foreach (file($ignoreFile) as $line => $pattern) {
@@ -147,7 +147,7 @@ private function __construct(array $thresholds = [], $regex = '', $verboseOutput
                     $this->baselineDeprecations[$baseline_deprecation->location][$baseline_deprecation->message] = $baseline_deprecation->count;
                 }
             } else {
-                throw new \InvalidArgumentException(sprintf('The baselineFile "%s" does not exist.', $this->baselineFile));
+                throw new \InvalidArgumentException(\sprintf('The baselineFile "%s" does not exist.', $this->baselineFile));
             }
         }
 
@@ -316,7 +316,7 @@ public static function fromUrlEncodedString($serializedConfiguration): self
         parse_str($serializedConfiguration, $normalizedConfiguration);
         foreach (array_keys($normalizedConfiguration) as $key) {
             if (!\in_array($key, ['max', 'disabled', 'verbose', 'quiet', 'ignoreFile', 'generateBaseline', 'baselineFile', 'logFile'], true)) {
-                throw new \InvalidArgumentException(sprintf('Unknown configuration option "%s".', $key));
+                throw new \InvalidArgumentException(\sprintf('Unknown configuration option "%s".', $key));
             }
         }
 
diff --git a/DeprecationErrorHandler/Deprecation.php b/DeprecationErrorHandler/Deprecation.php
index 79cfa0c..f7a57f5 100644
--- a/DeprecationErrorHandler/Deprecation.php
+++ b/DeprecationErrorHandler/Deprecation.php
@@ -351,7 +351,7 @@ private function getPackage($path)
             }
         }
 
-        throw new \RuntimeException(sprintf('No vendors found for path "%s".', $path));
+        throw new \RuntimeException(\sprintf('No vendors found for path "%s".', $path));
     }
 
     /**