diff --git a/extensions/akismet/composer.json b/extensions/akismet/composer.json
index f1070a3bf..f623df88b 100644
--- a/extensions/akismet/composer.json
+++ b/extensions/akismet/composer.json
@@ -75,7 +75,7 @@
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     },
     "repositories": [
         {
diff --git a/extensions/approval/composer.json b/extensions/approval/composer.json
index 1cdc710e7..2ab50c1c4 100644
--- a/extensions/approval/composer.json
+++ b/extensions/approval/composer.json
@@ -87,6 +87,6 @@
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     }
 }
diff --git a/extensions/flags/composer.json b/extensions/flags/composer.json
index d772afa96..c6bcf5889 100644
--- a/extensions/flags/composer.json
+++ b/extensions/flags/composer.json
@@ -75,7 +75,7 @@
     "require-dev": {
         "flarum/core": "*@dev",
         "flarum/tags": "*@dev",
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     },
     "repositories": [
         {
diff --git a/extensions/likes/composer.json b/extensions/likes/composer.json
index 3e5bd57c0..370cfd444 100644
--- a/extensions/likes/composer.json
+++ b/extensions/likes/composer.json
@@ -86,6 +86,6 @@
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     }
 }
diff --git a/extensions/mentions/composer.json b/extensions/mentions/composer.json
index 1abb6eb65..946c7c9f7 100644
--- a/extensions/mentions/composer.json
+++ b/extensions/mentions/composer.json
@@ -78,7 +78,7 @@
     "require-dev": {
         "flarum/core": "*@dev",
         "flarum/tags": "*@dev",
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     },
     "repositories": [
         {
diff --git a/extensions/nicknames/composer.json b/extensions/nicknames/composer.json
index 3dbfec85a..5ca131a0a 100644
--- a/extensions/nicknames/composer.json
+++ b/extensions/nicknames/composer.json
@@ -67,7 +67,7 @@
         "test:setup": "@php tests/integration/setup.php"
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0",
+        "flarum/testing": "^2.0",
         "flarum/core": "2.x-dev"
     },
     "scripts-descriptions": {
diff --git a/extensions/package-manager/composer.json b/extensions/package-manager/composer.json
index 484243ef6..9050e60bf 100755
--- a/extensions/package-manager/composer.json
+++ b/extensions/package-manager/composer.json
@@ -26,7 +26,7 @@
         "composer/composer": "^2.3"
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0",
+        "flarum/testing": "^2.0",
         "flarum/tags": "*"
     },
     "extra": {
diff --git a/extensions/statistics/composer.json b/extensions/statistics/composer.json
index 501cf8ab8..d5a013d52 100644
--- a/extensions/statistics/composer.json
+++ b/extensions/statistics/composer.json
@@ -76,7 +76,7 @@
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     },
     "repositories": [
         {
diff --git a/extensions/sticky/composer.json b/extensions/sticky/composer.json
index 0ca24731b..030cfa35c 100644
--- a/extensions/sticky/composer.json
+++ b/extensions/sticky/composer.json
@@ -87,6 +87,6 @@
     },
     "require-dev": {
         "flarum/tags": "*@dev",
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     }
 }
diff --git a/extensions/subscriptions/composer.json b/extensions/subscriptions/composer.json
index 8307f8850..d8a458878 100644
--- a/extensions/subscriptions/composer.json
+++ b/extensions/subscriptions/composer.json
@@ -89,7 +89,7 @@
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0",
+        "flarum/testing": "^2.0",
         "flarum/approval": "@dev"
     }
 }
diff --git a/extensions/suspend/composer.json b/extensions/suspend/composer.json
index 3dd7d98a9..c816b488f 100644
--- a/extensions/suspend/composer.json
+++ b/extensions/suspend/composer.json
@@ -86,6 +86,6 @@
         "test:setup": "Sets up a database for use with integration tests. Execute this only once."
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     }
 }
diff --git a/extensions/tags/composer.json b/extensions/tags/composer.json
index b9a1ca8f4..cc35b9211 100644
--- a/extensions/tags/composer.json
+++ b/extensions/tags/composer.json
@@ -79,7 +79,7 @@
     },
     "require-dev": {
         "flarum/core": "*@dev",
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     },
     "repositories": [
         {
diff --git a/framework/core/composer.json b/framework/core/composer.json
index f4e0715b5..20ea96ac1 100644
--- a/framework/core/composer.json
+++ b/framework/core/composer.json
@@ -89,7 +89,7 @@
         "wikimedia/less.php": "^3.2"
     },
     "require-dev": {
-        "flarum/testing": "^1.0.0"
+        "flarum/testing": "^2.0"
     },
     "autoload": {
         "psr-4": {