diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5fbd524ce..aa4002230 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,10 @@ jobs:
         shell: bash
       - name: Prepare default sdkconfig
         run: |
+          # Compose sdkconfig manually rather than overwrite checked in files
           cp sdkconfig.defaults sdkconfig
+          [ -e "sdkconfig.defaults.${{ matrix.target }}" ] && cat "sdkconfig.defaults.${{ matrix.target }}" >> sdkconfig || true
+          [ -e "sdkconfig.ci.${{ matrix.target }}" ] && cat "sdkconfig.ci.${{ matrix.target }}" >> sdkconfig || true
         shell: bash
       - name: Update config for Lua 5.1
         if: ${{ matrix.lua_ver == '5.1' }}
@@ -54,6 +57,10 @@ jobs:
           echo CONFIG_LUA_NUMBER_INT64=y >> sdkconfig
           echo CONFIG_LUA_NUMBER_DOUBLE=y >> sdkconfig
         shell: bash
+      - name: Show resulting sdkconfig
+        shell: bash
+        run: |
+          cat sdkconfig
       - name: Build firmware
         run: |
           make IDF_TARGET=${{ matrix.target }}
diff --git a/sdkconfig.ci.esp32c3 b/sdkconfig.ci.esp32c3
new file mode 100644
index 000000000..61f1cf165
--- /dev/null
+++ b/sdkconfig.ci.esp32c3
@@ -0,0 +1,7 @@
+CONFIG_USJ_ENABLE_USB_SERIAL_JTAG=y
+# CONFIG_ESP_CONSOLE_UART_DEFAULT is not set
+CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=y
+# CONFIG_ESP_CONSOLE_UART_CUSTOM is not set
+# CONFIG_ESP_CONSOLE_NONE is not set
+CONFIG_ESP_CONSOLE_SECONDARY_NONE=y
+CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG_ENABLED=y
diff --git a/sdkconfig.ci.esp32s2 b/sdkconfig.ci.esp32s2
new file mode 100644
index 000000000..9d21ad104
--- /dev/null
+++ b/sdkconfig.ci.esp32s2
@@ -0,0 +1,6 @@
+# CONFIG_ESP_CONSOLE_UART_DEFAULT is not set
+CONFIG_ESP_CONSOLE_USB_CDC=y
+# CONFIG_ESP_CONSOLE_UART_CUSTOM is not set
+# CONFIG_ESP_CONSOLE_NONE is not set
+CONFIG_ESP_CONSOLE_USB_CDC_RX_BUF_SIZE=512
+