diff --git a/esphome/components/wireguard/__init__.py b/esphome/components/wireguard/__init__.py
index 5d5f620b51..16d0d0226e 100644
--- a/esphome/components/wireguard/__init__.py
+++ b/esphome/components/wireguard/__init__.py
@@ -132,7 +132,7 @@ async def to_code(config):
     # the '+1' modifier is relative to the device's own address that will
     # be automatically added to the provided list.
     cg.add_build_flag(f"-DCONFIG_WIREGUARD_MAX_SRC_IPS={len(allowed_ips) + 1}")
-    cg.add_library("droscy/esp_wireguard", "0.4.1")
+    cg.add_library("droscy/esp_wireguard", "0.4.2")
 
     await cg.register_component(var, config)
 
diff --git a/platformio.ini b/platformio.ini
index e2e66bf672..aa73437222 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -94,7 +94,7 @@ lib_deps =
     ESP8266mDNS                           ; mdns (Arduino built-in)
     DNSServer                             ; captive_portal (Arduino built-in)
     crankyoldgit/IRremoteESP8266@2.8.6    ; heatpumpir
-    droscy/esp_wireguard@0.4.1            ; wireguard
+    droscy/esp_wireguard@0.4.2            ; wireguard
 build_flags =
     ${common:arduino.build_flags}
     -Wno-nonnull-compare
@@ -124,7 +124,7 @@ lib_deps =
     DNSServer                            ; captive_portal (Arduino built-in)
     esphome/ESP32-audioI2S@2.0.7         ; i2s_audio
     crankyoldgit/IRremoteESP8266@2.8.6   ; heatpumpir
-    droscy/esp_wireguard@0.4.1           ; wireguard
+    droscy/esp_wireguard@0.4.2          ; wireguard
 build_flags =
     ${common:arduino.build_flags}
     -DUSE_ESP32
@@ -142,7 +142,7 @@ platform_packages =
 framework = espidf
 lib_deps =
     ${common:idf.lib_deps}
-    droscy/esp_wireguard@0.4.1    ; wireguard
+    droscy/esp_wireguard@0.4.2    ; wireguard
 build_flags =
     ${common:idf.build_flags}
     -Wno-nonnull-compare
@@ -174,7 +174,7 @@ extends = common:arduino
 platform = libretiny
 framework = arduino
 lib_deps =
-    droscy/esp_wireguard@0.4.1    ; wireguard
+    droscy/esp_wireguard@0.4.2    ; wireguard
 build_flags =
     ${common:arduino.build_flags}
     -DUSE_LIBRETINY