diff --git a/changelog.d/5-internal/ci-integration-test-timeout b/changelog.d/5-internal/ci-integration-test-timeout
new file mode 100644
index 0000000000..f0f8cdb552
--- /dev/null
+++ b/changelog.d/5-internal/ci-integration-test-timeout
@@ -0,0 +1 @@
+Bump timeout for integration tests to 15 minutes (from 10 minutes), as 10 minutes is no longer enough.
diff --git a/hack/bin/integration-test.sh b/hack/bin/integration-test.sh
index 94feccde1a..8ffb21d8c7 100755
--- a/hack/bin/integration-test.sh
+++ b/hack/bin/integration-test.sh
@@ -6,4 +6,4 @@ NAMESPACE=${NAMESPACE:-test-integration}
 echo "Running integration tests on wire-server"
 
 CHART=wire-server
-helm test --logs -n "${NAMESPACE}" "${NAMESPACE}-${CHART}" --timeout 600s
+helm test --logs -n "${NAMESPACE}" "${NAMESPACE}-${CHART}" --timeout 900s