diff --git a/examples/system/ota/pre_encrypted_ota/sdkconfig.ci.partial_download b/examples/system/ota/pre_encrypted_ota/sdkconfig.ci.partial_download
index 6699158c38..f3925803c1 100644
--- a/examples/system/ota/pre_encrypted_ota/sdkconfig.ci.partial_download
+++ b/examples/system/ota/pre_encrypted_ota/sdkconfig.ci.partial_download
@@ -17,3 +17,4 @@ CONFIG_EXAMPLE_ETH_PHY_ADDR=1
 CONFIG_MBEDTLS_TLS_CLIENT_ONLY=y
 CONFIG_COMPILER_OPTIMIZATION_SIZE=y
 CONFIG_EXAMPLE_CONNECT_IPV6=n
+CONFIG_EXAMPLE_ETHERNET_EMAC_TASK_STACK_SIZE=3072