diff --git a/esphome/components/improv_base/__init__.py b/esphome/components/improv_base/__init__.py
index e175aa2220..5929f2b60a 100644
--- a/esphome/components/improv_base/__init__.py
+++ b/esphome/components/improv_base/__init__.py
@@ -42,4 +42,4 @@ async def setup_improv_core(var: MockObj, config: ConfigType, component: str):
         cg.add(var.set_next_url(_process_next_url(next_url)))
         cg.add_define(f"USE_{component.upper()}_NEXT_URL")
 
-    cg.add_library("improv/Improv", "1.2.4")
+    cg.add_library("improv/Improv", "1.2.6")
diff --git a/platformio.ini b/platformio.ini
index 7e8494aea6..30968e80e8 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -45,7 +45,7 @@ lib_deps_base =
 lib_deps =
     ${common.lib_deps_base}
     esphome/noise-c@0.1.11                 ; api
-    improv/Improv@1.2.4                    ; improv_serial / esp32_improv
+    improv/Improv@1.2.6                    ; improv_serial / esp32_improv
     kikuchan98/pngle@1.1.0                 ; online_image
     ; Using the repository directly, otherwise ESP-IDF can't use the library
     https://github.com/bitbank2/JPEGDEC.git#1.8.4    ; online_image