diff --git a/test/composer b/test/composer
index 8f527510..fc807293 100644
--- a/test/composer
+++ b/test/composer
@@ -58,9 +58,9 @@ test::composer::composer_over_higher_classic() {
     COMPOSER_VERSION="2.8.11"
     export COMPOSER_VERSION
 
-    test::utils::setupFixture "composer-2.2.25/composer"
+    test::utils::setupFixture "composer-2.2.28/composer"
     test::utils::compile
     test::helpers::enter_prod
 
-    test::helpers::composer "2.2.25"
+    test::helpers::composer "2.2.28"
 }
diff --git a/test/defaults b/test/defaults
index 013ee99b..57f6a713 100644
--- a/test/defaults
+++ b/test/defaults
@@ -9,13 +9,13 @@ declare -gA latest_composer
 default_php["scalingo-22"]="8.4." # This one depends on the semver stable rule configuration
 default_nginx["scalingo-22"]="1.30."
 default_composer["scalingo-22"]="2.9."
-latest_composer["scalingo-22"]="2.9.7"
+latest_composer["scalingo-22"]="2.9.8"
 
 # Defaults for scalingo-24:
 default_php["scalingo-24"]="8.4."
 default_nginx["scalingo-24"]="1.30."
 default_composer["scalingo-24"]="2.9."
-latest_composer["scalingo-24"]="2.9.7"
+latest_composer["scalingo-24"]="2.9.8"
 
 
 test::defaults::classic() {
diff --git a/test/fixtures/composer-2.2.25/composer/composer.json b/test/fixtures/composer-2.2.28/composer/composer.json
similarity index 71%
rename from test/fixtures/composer-2.2.25/composer/composer.json
rename to test/fixtures/composer-2.2.28/composer/composer.json
index c6631ac8..96461a34 100644
--- a/test/fixtures/composer-2.2.25/composer/composer.json
+++ b/test/fixtures/composer-2.2.28/composer/composer.json
@@ -2,7 +2,7 @@
     "extra": {
         "paas": {
             "engines": {
-                "composer": "2.2.25"
+                "composer": "2.2.28"
             }
         }
     }
diff --git a/test/fixtures/composer-2.2.25/composer/composer.lock b/test/fixtures/composer-2.2.28/composer/composer.lock
similarity index 90%
rename from test/fixtures/composer-2.2.25/composer/composer.lock
rename to test/fixtures/composer-2.2.28/composer/composer.lock
index 65d28080..df21a303 100644
--- a/test/fixtures/composer-2.2.25/composer/composer.lock
+++ b/test/fixtures/composer-2.2.28/composer/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "450ca5844dbf8117cc947c206f5d0ed2",
+    "content-hash": "f4229908db9d5f6b7ea1a2c25bee363a",
     "packages": [],
     "packages-dev": [],
     "aliases": [],
diff --git a/test/fixtures/composer-2.9.7/composer/composer.json b/test/fixtures/composer-2.9.8/composer/composer.json
similarity index 71%
rename from test/fixtures/composer-2.9.7/composer/composer.json
rename to test/fixtures/composer-2.9.8/composer/composer.json
index ad6d654c..96a3ec58 100644
--- a/test/fixtures/composer-2.9.7/composer/composer.json
+++ b/test/fixtures/composer-2.9.8/composer/composer.json
@@ -2,7 +2,7 @@
     "extra": {
         "paas": {
             "engines": {
-                "composer": "2.9.7"
+                "composer": "2.9.8"
             }
         }
     }
diff --git a/test/fixtures/composer-2.9.7/composer/composer.lock b/test/fixtures/composer-2.9.8/composer/composer.lock
similarity index 90%
rename from test/fixtures/composer-2.9.7/composer/composer.lock
rename to test/fixtures/composer-2.9.8/composer/composer.lock
index 4df81faa..a2c30425 100644
--- a/test/fixtures/composer-2.9.7/composer/composer.lock
+++ b/test/fixtures/composer-2.9.8/composer/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "57e4dccd40dbfa49c789bffb7f6a7fb8",
+    "content-hash": "825dfae525d609e6966e10e595c91ae5",
     "packages": [],
     "packages-dev": [],
     "aliases": [],
diff --git a/test/fixtures/composer-latest b/test/fixtures/composer-latest
index a5599faf..10747e39 120000
--- a/test/fixtures/composer-latest
+++ b/test/fixtures/composer-latest
@@ -1 +1 @@
-composer-2.9.7
\ No newline at end of file
+composer-2.9.8
\ No newline at end of file