diff --git a/src/Illuminate/Auth/composer.json b/src/Illuminate/Auth/composer.json
index 1128b17d7d0a..21ae73751ce9 100644
--- a/src/Illuminate/Auth/composer.json
+++ b/src/Illuminate/Auth/composer.json
@@ -27,7 +27,7 @@
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-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
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     "suggest": {
diff --git a/src/Illuminate/Broadcasting/composer.json b/src/Illuminate/Broadcasting/composer.json
index a888777a3c65..cc050e135d73 100644
--- a/src/Illuminate/Broadcasting/composer.json
+++ b/src/Illuminate/Broadcasting/composer.json
@@ -29,7 +29,7 @@
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     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
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     "suggest": {
diff --git a/src/Illuminate/Bus/composer.json b/src/Illuminate/Bus/composer.json
index 50390d48ee2e..63743abab856 100644
--- a/src/Illuminate/Bus/composer.json
+++ b/src/Illuminate/Bus/composer.json
@@ -26,7 +26,7 @@
     },
     "extra": {
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-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Cache/composer.json b/src/Illuminate/Cache/composer.json
index 0cf506b4502a..e69c406246ce 100755
--- a/src/Illuminate/Cache/composer.json
+++ b/src/Illuminate/Cache/composer.json
@@ -25,7 +25,7 @@
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     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "suggest": {
diff --git a/src/Illuminate/Config/composer.json b/src/Illuminate/Config/composer.json
index 59c3e8b0f355..55e8a4035ad9 100755
--- a/src/Illuminate/Config/composer.json
+++ b/src/Illuminate/Config/composer.json
@@ -25,7 +25,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Console/composer.json b/src/Illuminate/Console/composer.json
index b837009009b5..02853eea926d 100755
--- a/src/Illuminate/Console/composer.json
+++ b/src/Illuminate/Console/composer.json
@@ -27,7 +27,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "suggest": {
diff --git a/src/Illuminate/Container/composer.json b/src/Illuminate/Container/composer.json
index d4f50bb3b701..76da2163481f 100755
--- a/src/Illuminate/Container/composer.json
+++ b/src/Illuminate/Container/composer.json
@@ -25,7 +25,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Contracts/composer.json b/src/Illuminate/Contracts/composer.json
index 14aab92cd0cf..fee8ed4d078b 100644
--- a/src/Illuminate/Contracts/composer.json
+++ b/src/Illuminate/Contracts/composer.json
@@ -25,7 +25,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Cookie/composer.json b/src/Illuminate/Cookie/composer.json
index 107bfe45fa19..1517a2b1938a 100755
--- a/src/Illuminate/Cookie/composer.json
+++ b/src/Illuminate/Cookie/composer.json
@@ -27,7 +27,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Database/composer.json b/src/Illuminate/Database/composer.json
index df9fee302201..c83877fa1ffd 100644
--- a/src/Illuminate/Database/composer.json
+++ b/src/Illuminate/Database/composer.json
@@ -28,7 +28,7 @@
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     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "suggest": {
diff --git a/src/Illuminate/Encryption/composer.json b/src/Illuminate/Encryption/composer.json
index 72bf1f69e174..5f535b4004b2 100644
--- a/src/Illuminate/Encryption/composer.json
+++ b/src/Illuminate/Encryption/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Events/composer.json b/src/Illuminate/Events/composer.json
index 7b2cab3f0bda..639083026959 100755
--- a/src/Illuminate/Events/composer.json
+++ b/src/Illuminate/Events/composer.json
@@ -26,7 +26,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "config": {
diff --git a/src/Illuminate/Filesystem/composer.json b/src/Illuminate/Filesystem/composer.json
index 03326f0e1083..16ed6e8fb4cd 100644
--- a/src/Illuminate/Filesystem/composer.json
+++ b/src/Illuminate/Filesystem/composer.json
@@ -26,7 +26,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "suggest": {
diff --git a/src/Illuminate/Hashing/composer.json b/src/Illuminate/Hashing/composer.json
index 7510c4ff914c..a728b6f7154b 100755
--- a/src/Illuminate/Hashing/composer.json
+++ b/src/Illuminate/Hashing/composer.json
@@ -25,7 +25,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Http/composer.json b/src/Illuminate/Http/composer.json
index 38f4915cc8f2..5c17211e9b95 100755
--- a/src/Illuminate/Http/composer.json
+++ b/src/Illuminate/Http/composer.json
@@ -31,7 +31,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "config": {
diff --git a/src/Illuminate/Log/composer.json b/src/Illuminate/Log/composer.json
index b46eb1c7611e..5b2d0c3299f8 100755
--- a/src/Illuminate/Log/composer.json
+++ b/src/Illuminate/Log/composer.json
@@ -26,7 +26,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "config": {
diff --git a/src/Illuminate/Mail/composer.json b/src/Illuminate/Mail/composer.json
index a7ade6ba836a..21a815a06df3 100755
--- a/src/Illuminate/Mail/composer.json
+++ b/src/Illuminate/Mail/composer.json
@@ -32,7 +32,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "suggest": {
diff --git a/src/Illuminate/Notifications/composer.json b/src/Illuminate/Notifications/composer.json
index 2f7af2ebe9fc..cbe02a736ba2 100644
--- a/src/Illuminate/Notifications/composer.json
+++ b/src/Illuminate/Notifications/composer.json
@@ -31,7 +31,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "suggest": {
diff --git a/src/Illuminate/Pagination/composer.json b/src/Illuminate/Pagination/composer.json
index b11e13ddf98b..d54b1d2b9d65 100755
--- a/src/Illuminate/Pagination/composer.json
+++ b/src/Illuminate/Pagination/composer.json
@@ -26,7 +26,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "config": {
diff --git a/src/Illuminate/Pipeline/composer.json b/src/Illuminate/Pipeline/composer.json
index b0cfb91f263c..a5c9e57565f8 100644
--- a/src/Illuminate/Pipeline/composer.json
+++ b/src/Illuminate/Pipeline/composer.json
@@ -26,7 +26,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "config": {
diff --git a/src/Illuminate/Queue/composer.json b/src/Illuminate/Queue/composer.json
index 19d614415ec5..a2bc8c461d20 100644
--- a/src/Illuminate/Queue/composer.json
+++ b/src/Illuminate/Queue/composer.json
@@ -34,7 +34,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "suggest": {
diff --git a/src/Illuminate/Redis/composer.json b/src/Illuminate/Redis/composer.json
index 71f5e497a7f3..c4ad39a2c160 100755
--- a/src/Illuminate/Redis/composer.json
+++ b/src/Illuminate/Redis/composer.json
@@ -29,7 +29,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "config": {
diff --git a/src/Illuminate/Routing/composer.json b/src/Illuminate/Routing/composer.json
index 2bb1cadb3e67..9bc8e5f46f22 100644
--- a/src/Illuminate/Routing/composer.json
+++ b/src/Illuminate/Routing/composer.json
@@ -34,7 +34,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "suggest": {
diff --git a/src/Illuminate/Session/composer.json b/src/Illuminate/Session/composer.json
index 9ecc1bef1d97..3c9962cde646 100755
--- a/src/Illuminate/Session/composer.json
+++ b/src/Illuminate/Session/composer.json
@@ -29,7 +29,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
     },
     "suggest": {
diff --git a/src/Illuminate/Support/composer.json b/src/Illuminate/Support/composer.json
index 0e8f15e3ad77..a026ec633dd0 100644
--- a/src/Illuminate/Support/composer.json
+++ b/src/Illuminate/Support/composer.json
@@ -34,7 +34,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "suggest": {
diff --git a/src/Illuminate/Translation/composer.json b/src/Illuminate/Translation/composer.json
index 74269ee26611..25d2fd7fbd8a 100755
--- a/src/Illuminate/Translation/composer.json
+++ b/src/Illuminate/Translation/composer.json
@@ -27,7 +27,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "config": {
diff --git a/src/Illuminate/Validation/composer.json b/src/Illuminate/Validation/composer.json
index 67ff3558e3fa..e7475a2b5ea7 100755
--- a/src/Illuminate/Validation/composer.json
+++ b/src/Illuminate/Validation/composer.json
@@ -30,7 +30,7 @@
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     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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     "suggest": {
diff --git a/src/Illuminate/View/composer.json b/src/Illuminate/View/composer.json
index f276acf45d57..e170e507d129 100644
--- a/src/Illuminate/View/composer.json
+++ b/src/Illuminate/View/composer.json
@@ -30,7 +30,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "6.0-dev"
+            "dev-master": "6.x-dev"
         }
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