diff --git a/tools/unit-test-app/configs/flash_encryption_c3 b/tools/unit-test-app/configs/flash_encryption_c3
index 74df0aa736..38d18bad0d 100644
--- a/tools/unit-test-app/configs/flash_encryption_c3
+++ b/tools/unit-test-app/configs/flash_encryption_c3
@@ -8,3 +8,7 @@ CONFIG_SECURE_BOOT_ALLOW_JTAG=y
 CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_ENC=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