diff --git a/composer.json b/composer.json
index 11f8232b6be2f3e4142b4ac822c00b95c9d4e760..806b35f7f1021e2d827e90f6715c714f87d31631 100644
--- a/composer.json
+++ b/composer.json
@@ -27,14 +27,15 @@
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-		"ext-openssl": "*",
-		"ext-dom": "*",
-		"ext-date": "*",
-		"ext-hash": "*",
-		"ext-json": "*",
+        "ext-SPL": "*",
+        "ext-zlib": "*",
+        "ext-pcre": "*",
+        "ext-openssl": "*",
+        "ext-dom": "*",
+        "ext-date": "*",
+        "ext-hash": "*",
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diff --git a/composer.lock b/composer.lock
index 39eccf6b723ac11028edad578773f64fa5af4dda..ab7581ea6af395562976200c18d1f990da6ffe06 100644
--- a/composer.lock
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@@ -68,21 +68,28 @@
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+                "bin/export-plural-rules",
+                "bin/export-plural-rules.php"
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@@ -118,7 +125,7 @@
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-            "time": "2015-03-27T11:32:41+00:00"
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@@ -166,16 +173,16 @@
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                 "url": "https://github.com/php-fig/log.git",
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@@ -269,6 +276,7 @@
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@@ -306,16 +314,16 @@
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                 "url": "https://github.com/twigphp/Twig-extensions.git",
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@@ -354,33 +362,34 @@
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@@ -415,7 +424,7 @@
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@@ -714,16 +723,16 @@
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@@ -757,31 +766,32 @@
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@@ -819,7 +829,7 @@
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@@ -885,16 +895,16 @@
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@@ -973,25 +983,30 @@
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@@ -1013,20 +1028,20 @@
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@@ -1252,22 +1267,22 @@
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@@ -1312,7 +1327,7 @@
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@@ -1536,16 +1551,16 @@
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@@ -1673,40 +1691,43 @@
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