diff --git a/tools/unit-test-app/configs/flash_encryption b/tools/unit-test-app/configs/flash_encryption
index 30b55ff2ad..b909f2d2ba 100644
--- a/tools/unit-test-app/configs/flash_encryption
+++ b/tools/unit-test-app/configs/flash_encryption
@@ -10,3 +10,7 @@ CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_ENC=y
 CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_DEC=y
 CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_CACHE=y
 CONFIG_SECURE_FLASH_REQUIRE_ALREADY_ENABLED=y
+
+# CI uses ECO2 for flash_encryption tests
+CONFIG_ESP32C3_REV_MIN_2=y
+CONFIG_ESP32C3_REV_MIN=2