diff --git a/examples/protocols/mqtt/ssl_ds/partitions.csv b/examples/protocols/mqtt/ssl_ds/partitions.csv
index 0c4ad775c5..1423949dc9 100644
--- a/examples/protocols/mqtt/ssl_ds/partitions.csv
+++ b/examples/protocols/mqtt/ssl_ds/partitions.csv
@@ -3,4 +3,4 @@
 esp_secure_cert,0x3F,,,0x2000,
 nvs,data,nvs,,24K,
 phy_init,data,phy,,4K,
-factory,app,factory,0x20000,1M,
+factory,app,factory,0x20000,1500K,