diff --git a/fixtures/default/sinatra_jruby/manifest.yml b/fixtures/default/sinatra_jruby/manifest.yml
index c03c2e7dd..438534913 100644
--- a/fixtures/default/sinatra_jruby/manifest.yml
+++ b/fixtures/default/sinatra_jruby/manifest.yml
@@ -2,4 +2,4 @@
 applications:
 - name: sinatra_jruby_web_app
   health-check-type: process
-  timeout: 180
+  timeout: 300
diff --git a/src/ruby/integration/default_test.go b/src/ruby/integration/default_test.go
index 648a746cc..aa370d022 100644
--- a/src/ruby/integration/default_test.go
+++ b/src/ruby/integration/default_test.go
@@ -117,8 +117,8 @@ func testDefault(platform switchblade.Platform, fixtures string) func(*testing.T
 
 				Expect(logs).To(ContainLines(MatchRegexp(`Installing jruby \d+\.\d+\.\d+\.\d+`)))
 				// JRuby needs extra time to warm up after health check passes
-				// Increase timeout to 3 minutes with 2-second intervals for CI environments
-				Eventually(deployment, 3*time.Minute, 2*time.Second).Should(Serve(ContainSubstring("jruby 3.1.7")).WithEndpoint("/ruby"), logs.String())
+				// Increased to 5 minutes to accommodate slow/shared CI workers and cflinuxfs5 stack
+				Eventually(deployment, 5*time.Minute, 2*time.Second).Should(Serve(ContainSubstring("jruby 3.1.7")).WithEndpoint("/ruby"), logs.String())
 			})
 		})
 	}