diff --git a/firmware/partitions.csv b/firmware/partitions.csv
new file mode 100644
index 0000000..2c33a2a
--- /dev/null
+++ b/firmware/partitions.csv
@@ -0,0 +1,4 @@
+# Name,   Type, SubType, Offset,  Size,     Flags
+nvs,      data, nvs,     0x9000,  0x6000,
+phy_init, data, phy,     0xf000,  0x1000,
+factory,  app,  factory, 0x10000, 0x200000,
diff --git a/firmware/sdkconfig.defaults b/firmware/sdkconfig.defaults
index 28720b5..c22b07b 100644
--- a/firmware/sdkconfig.defaults
+++ b/firmware/sdkconfig.defaults
@@ -1 +1,9 @@
 CONFIG_LWIP_MAX_SOCKETS=16
+
+# ESP32-C6 dev board has 8MB flash. A 2MB app partition (vs. the ~1MB
+# "single app" default) gives headroom for the HTTP client, TLS, and image
+# buffers still to come, without needing to fight for space on every build.
+CONFIG_ESPTOOLPY_FLASHSIZE_8MB=y
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
+CONFIG_PARTITION_TABLE_FILENAME="partitions.csv"