diff --git a/.travis-ci/prepare.sh b/.travis-ci/prepare.sh
new file mode 100755
index 0000000000..4b7a939433
--- /dev/null
+++ b/.travis-ci/prepare.sh
@@ -0,0 +1,2 @@
+# Only pass a single runtime for CI stability
+echo "_APP_FUNCTIONS_ENVS=php-8.0" >> .env
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 4e961b6379..930f9c0fb3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,7 +28,7 @@ before_install:
 - export COMPOSE_INTERACTIVE_NO_CLI=1
 
 install:
-- echo "_APP_FUNCTIONS_ENVS=php-8.0" >> .env
+- ./.travis-ci/prepare.sh
 - docker-compose up -d
 - sleep 10 
 
diff --git a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
index f0eab6b0c7..edd9081c91 100644
--- a/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
+++ b/tests/e2e/Services/Functions/FunctionsCustomServerTest.php
@@ -325,7 +325,7 @@ class FunctionsCustomServerTest extends Scope
         $this->assertStringContainsString('Test1', $execution['body']['stdout']);
         $this->assertStringContainsString('http', $execution['body']['stdout']);
         $this->assertStringContainsString('PHP', $execution['body']['stdout']);
-        $this->assertStringContainsString('7.4', $execution['body']['stdout']);
+        $this->assertStringContainsString('8.0', $execution['body']['stdout']);
         $this->assertEquals('', $execution['body']['stderr']);
         $this->assertGreaterThan(0.100, $execution['body']['time']);
         $this->assertLessThan(0.500, $execution['body']['time']);