diff --git a/samples/net/https_client/boards/thingy91_nrf9160_ns.conf b/samples/net/https_client/boards/thingy91_nrf9160_ns.conf
new file mode 100644
index 000000000..b17f631aa
--- /dev/null
+++ b/samples/net/https_client/boards/thingy91_nrf9160_ns.conf
@@ -0,0 +1,56 @@
+#
+# Copyright (c) 2023 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+# Configuration file for Thingy:91
+# This file is merged with prj.conf in the application folder, and options
+# set here will take precedence if they are present in both files.
+
+# General
+CONFIG_HW_STACK_PROTECTION=y
+CONFIG_HW_ID_LIBRARY_SOURCE_IMEI=y
+CONFIG_PICOLIBC=y
+
+# Modem related configurations
+CONFIG_MODEM_INFO=y
+CONFIG_AT_HOST_LIBRARY=y
+
+# Modem trace
+CONFIG_NRF_MODEM_LIB_TRACE=y
+CONFIG_NRF_MODEM_LIB_TRACE_BACKEND_UART=y
+CONFIG_SERIAL=y
+CONFIG_UART_ASYNC_API=y
+CONFIG_UART_1_ASYNC=y
+CONFIG_UART_1_INTERRUPT_DRIVEN=n
+
+# Disable Duplicate Address Detection (DAD)
+# due to not being properly implemented for offloaded interfaces.
+CONFIG_NET_IPV6_NBR_CACHE=n
+CONFIG_NET_IPV6_MLD=n
+
+# Zephyr NET Connection Manager and Connectivity layer.
+CONFIG_NET_CONNECTION_MANAGER_MONITOR_STACK_SIZE=1024
+CONFIG_NRF_MODEM_LIB_NET_IF=y
+
+# Bootloader and FOTA related configurations
+
+# MCUBOOT
+CONFIG_BOOTLOADER_MCUBOOT=y
+CONFIG_MCUBOOT_IMG_MANAGER=y
+
+# Image manager
+CONFIG_IMG_MANAGER=y
+CONFIG_STREAM_FLASH=y
+CONFIG_FLASH_MAP=y
+CONFIG_FLASH=y
+CONFIG_IMG_ERASE_PROGRESSIVELY=y
+
+# Heap and stacks
+CONFIG_HEAP_MEM_POOL_SIZE=4096
+CONFIG_MAIN_STACK_SIZE=4096
+CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
+
+# Modem key management
+CONFIG_MODEM_KEY_MGMT=y
\ No newline at end of file
diff --git a/samples/net/https_client/boards/thingy91_nrf9160_ns.overlay b/samples/net/https_client/boards/thingy91_nrf9160_ns.overlay
new file mode 100644
index 000000000..3213bc5de
--- /dev/null
+++ b/samples/net/https_client/boards/thingy91_nrf9160_ns.overlay
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2023 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/* Enable uart1 for tracing. */
+&uart1 {
+	status = "okay";
+	current-speed = < 1000000 >;
+	hw-flow-control;
+};
+
+/ {
+	chosen {
+		nordic,modem-trace-uart = &uart1;
+	};
+};
diff --git a/samples/net/https_client/sysbuild/mcuboot/boards/thingy91_nrf9160.conf b/samples/net/https_client/sysbuild/mcuboot/boards/thingy91_nrf9160.conf
new file mode 100644
index 000000000..1bf2e424d
--- /dev/null
+++ b/samples/net/https_client/sysbuild/mcuboot/boards/thingy91_nrf9160.conf
@@ -0,0 +1,13 @@
+# Disable Zephyr console
+CONFIG_CONSOLE=n
+CONFIG_CONSOLE_HANDLER=n
+CONFIG_UART_CONSOLE=n
+
+# Disable Flash protection
+CONFIG_FPROTECT=n
+
+# MCUBoot settings
+CONFIG_BOOT_MAX_IMG_SECTORS=256
+
+# MCUboot serial recovery
+CONFIG_MCUBOOT_SERIAL=y