diff --git a/extensions/akismet/composer.json b/extensions/akismet/composer.json
index c56ed33cc..49384170b 100644
--- a/extensions/akismet/composer.json
+++ b/extensions/akismet/composer.json
@@ -30,7 +30,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Akismet",
@@ -77,5 +77,11 @@
     },
     "require-dev": {
         "flarum/testing": "^1.0.0"
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/approval/composer.json b/extensions/approval/composer.json
index 9ffb485e7..269f0310c 100644
--- a/extensions/approval/composer.json
+++ b/extensions/approval/composer.json
@@ -29,7 +29,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Approval",
@@ -57,5 +57,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/bbcode/composer.json b/extensions/bbcode/composer.json
index 564ffcd23..1b745705e 100644
--- a/extensions/bbcode/composer.json
+++ b/extensions/bbcode/composer.json
@@ -23,7 +23,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "BBCode",
@@ -51,5 +51,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/embed/composer.json b/extensions/embed/composer.json
index 71e617346..3bb0577e4 100644
--- a/extensions/embed/composer.json
+++ b/extensions/embed/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Embed",
@@ -56,5 +56,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/emoji/composer.json b/extensions/emoji/composer.json
index c564fea6f..d5a0997a0 100644
--- a/extensions/emoji/composer.json
+++ b/extensions/emoji/composer.json
@@ -23,7 +23,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Emoji",
@@ -50,5 +50,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/flags/composer.json b/extensions/flags/composer.json
index 609b768b9..16a7be821 100644
--- a/extensions/flags/composer.json
+++ b/extensions/flags/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Flags",
@@ -76,5 +76,11 @@
         "flarum/core": "*@dev",
         "flarum/tags": "*@dev",
         "flarum/testing": "^1.0.0"
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/lang-english/composer.json b/extensions/lang-english/composer.json
index c9bca48d1..fe9f450ca 100644
--- a/extensions/lang-english/composer.json
+++ b/extensions/lang-english/composer.json
@@ -11,7 +11,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "English",
@@ -49,5 +49,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/likes/composer.json b/extensions/likes/composer.json
index bb8b0dca7..c3badee77 100644
--- a/extensions/likes/composer.json
+++ b/extensions/likes/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Likes",
@@ -56,5 +56,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/lock/composer.json b/extensions/lock/composer.json
index cadc69a77..601999b0f 100644
--- a/extensions/lock/composer.json
+++ b/extensions/lock/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Lock",
@@ -56,5 +56,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/markdown/composer.json b/extensions/markdown/composer.json
index 0fb3167cc..48ea204f4 100644
--- a/extensions/markdown/composer.json
+++ b/extensions/markdown/composer.json
@@ -23,7 +23,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Markdown",
@@ -54,5 +54,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/mentions/composer.json b/extensions/mentions/composer.json
index 37f4a08b5..8cc28b856 100644
--- a/extensions/mentions/composer.json
+++ b/extensions/mentions/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Mentions",
@@ -75,5 +75,11 @@
     "require-dev": {
         "flarum/core": "*@dev",
         "flarum/testing": "^1.0.0"
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/nicknames/composer.json b/extensions/nicknames/composer.json
index 64984946a..f20fb909e 100644
--- a/extensions/nicknames/composer.json
+++ b/extensions/nicknames/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Nicknames",
@@ -75,5 +75,11 @@
         "test:unit": "Runs all unit tests.",
         "test:integration": "Runs all integration tests.",
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/package-manager/composer.json b/extensions/package-manager/composer.json
index 3386766ca..bdbefc6bd 100755
--- a/extensions/package-manager/composer.json
+++ b/extensions/package-manager/composer.json
@@ -96,5 +96,9 @@
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
     },
     "minimum-stability": "dev",
-    "prefer-stable": true
+    "prefer-stable": true,
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }]
 }
diff --git a/extensions/pusher/composer.json b/extensions/pusher/composer.json
index 25d8926d0..d56194f79 100644
--- a/extensions/pusher/composer.json
+++ b/extensions/pusher/composer.json
@@ -29,7 +29,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Pusher",
@@ -60,5 +60,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/statistics/composer.json b/extensions/statistics/composer.json
index fc58ced38..3b7506cf5 100644
--- a/extensions/statistics/composer.json
+++ b/extensions/statistics/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Statistics",
@@ -77,5 +77,11 @@
     },
     "require-dev": {
         "flarum/testing": "^1.0.0"
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/sticky/composer.json b/extensions/sticky/composer.json
index 3e2920041..95571c41e 100644
--- a/extensions/sticky/composer.json
+++ b/extensions/sticky/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Sticky",
@@ -56,5 +56,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/subscriptions/composer.json b/extensions/subscriptions/composer.json
index 9f853798f..aa9e04118 100644
--- a/extensions/subscriptions/composer.json
+++ b/extensions/subscriptions/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Subscriptions",
@@ -56,5 +56,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/suspend/composer.json b/extensions/suspend/composer.json
index 313778ef3..2724aebf9 100644
--- a/extensions/suspend/composer.json
+++ b/extensions/suspend/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Suspend",
@@ -56,5 +56,11 @@
                 "styleci": true
             }
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/extensions/tags/composer.json b/extensions/tags/composer.json
index e598a50b5..ea8490a81 100644
--- a/extensions/tags/composer.json
+++ b/extensions/tags/composer.json
@@ -33,7 +33,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-extension": {
             "title": "Tags",
@@ -80,5 +80,11 @@
     "require-dev": {
         "flarum/core": "*@dev",
         "flarum/testing": "^1.0.0"
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/framework/core/composer.json b/framework/core/composer.json
index 83e9528b9..ed445b16e 100644
--- a/framework/core/composer.json
+++ b/framework/core/composer.json
@@ -106,7 +106,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         },
         "flarum-cli": {
             "excludeScaffolding": [
@@ -145,5 +145,11 @@
         "test:unit": "Runs all unit tests.",
         "test:integration": "Runs all integration tests.",
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }
diff --git a/php-packages/phpstan/composer.json b/php-packages/phpstan/composer.json
index ead4261b8..225023e2f 100644
--- a/php-packages/phpstan/composer.json
+++ b/php-packages/phpstan/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "flarum/phpstan",
     "description": "Flarum PHPStan extension",
-    "minimum-stability": "stable",
+    "minimum-stability": "dev",
     "license": "MIT",
     "require": {
         "phpstan/phpstan-php-parser": "^1.0",
@@ -19,7 +19,12 @@
             ]
         },
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "prefer-stable": true
 }
diff --git a/php-packages/testing/composer.json b/php-packages/testing/composer.json
index 831dcd88c..761006d1d 100644
--- a/php-packages/testing/composer.json
+++ b/php-packages/testing/composer.json
@@ -27,7 +27,13 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.x-dev"
+            "dev-main": "1.x-dev"
         }
-    }
+    },
+    "repositories": [{
+            "type": "path",
+            "url": "../../*/*"
+        }],
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }