diff --git a/composer.json b/composer.json
index c7316b8..5e00b89 100644
--- a/composer.json
+++ b/composer.json
@@ -70,6 +70,7 @@
             "**/src/Bridge/*/Test/"
         ]
     },
+    "minimum-stability": "dev",
     "bin": [
         "src/Bridge/Symfony/bin/xezilaires"
     ]
diff --git a/src/Bridge/PhpSpreadsheet/composer.json b/src/Bridge/PhpSpreadsheet/composer.json
index 0837897..0722596 100644
--- a/src/Bridge/PhpSpreadsheet/composer.json
+++ b/src/Bridge/PhpSpreadsheet/composer.json
@@ -44,5 +44,6 @@
         "exclude-from-classmap": [
             "/Test/"
         ]
-    }
+    },
+    "minimum-stability": "dev"
 }
diff --git a/src/Bridge/Spout/composer.json b/src/Bridge/Spout/composer.json
index a768c69..985df55 100644
--- a/src/Bridge/Spout/composer.json
+++ b/src/Bridge/Spout/composer.json
@@ -42,5 +42,6 @@
         "exclude-from-classmap": [
             "/Test/"
         ]
-    }
+    },
+    "minimum-stability": "dev"
 }
diff --git a/src/Bridge/Symfony/composer.json b/src/Bridge/Symfony/composer.json
index de70eda..6be4762 100644
--- a/src/Bridge/Symfony/composer.json
+++ b/src/Bridge/Symfony/composer.json
@@ -57,6 +57,7 @@
             "/Test/"
         ]
     },
+    "minimum-stability": "dev",
     "bin": [
         "bin/xezilaires"
     ]
diff --git a/src/Xezilaires/SpreadsheetIteratorFactory.php b/src/Xezilaires/SpreadsheetIteratorFactory.php
index 6192d61..9c3b732 100644
--- a/src/Xezilaires/SpreadsheetIteratorFactory.php
+++ b/src/Xezilaires/SpreadsheetIteratorFactory.php
@@ -45,7 +45,7 @@ public function fromFile(\SplFileObject $file, Mapping $mapping): Iterator
             return $this->fromSpreadsheet($spreadsheetClass::fromFile($file), $mapping);
         }
 
-        throw new \RuntimeException('Install either phpoffice/phpspreadsheet or box/spout to read Excel files');
+        throw new \RuntimeException('Install either sigwin/xezilaires-phpspreadsheet or sigwin/xezilaires-spout to read Excel files');
     }
 
     public function fromSpreadsheet(Spreadsheet $spreadsheet, Mapping $mapping): Iterator
diff --git a/src/Xezilaires/composer.json b/src/Xezilaires/composer.json
index 5c6f884..e2d693d 100644
--- a/src/Xezilaires/composer.json
+++ b/src/Xezilaires/composer.json
@@ -45,5 +45,6 @@
         "exclude-from-classmap": [
             "/Test/"
         ]
-    }
+    },
+    "minimum-stability": "dev"
 }