diff --git a/README.md b/README.md
index b2a2ff9..ecda7d2 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ This software in turn makes use of the following open-source software libraries
 | Name                       | Version | License ([SPDX](https://spdx.org/licenses/))                             | URL
 |----------------------------|--------:|--------------------------------------------------------------------------|---------------------------------------------
 | SystemK                    | 1.0     | [AGPL-3.0-or-later](https://spdx.org/licenses/AGPL-3.0-or-later.html)    | https://git.ktag.clubk.club/Software/SystemK/
-| ESP-IDF                    | 5.4.1   | [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html)                  | https://github.com/espressif/esp-idf/
+| ESP-IDF                    | 5.5.1   | [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html)                  | https://github.com/espressif/esp-idf/
 | espressif/button           | 3.5.0   | [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html)                  | https://components.espressif.com/components/espressif/button
 | espressif/led_strip        | 2.5.3   | [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html)                  | https://components.espressif.com/components/espressif/led_strip
 | espressif/usb_host_msc     | 1.1.3   | [Apache-2.0](https://spdx.org/licenses/Apache-2.0.html)                  | https://components.espressif.com/components/espressif/usb_host_msc
diff --git a/main/idf_component.yml b/main/idf_component.yml
index 4584a41..9559ad7 100644
--- a/main/idf_component.yml
+++ b/main/idf_component.yml
@@ -7,7 +7,7 @@ dependencies:
   espressif/usb_host_msc: "^1.1.3"
   
   ## Required IDF version (>=5.1 is required for the SPI backend of the led-strip component.)
-  ## We tested with 5.4.1.
+  ## We tested with 5.5.1.
   idf:
     version: ">=5.5.1"