diff --git a/components/efuse/src/esp32c3/esp_efuse_utility.c b/components/efuse/src/esp32c3/esp_efuse_utility.c
index ab5f9afa6a..71532881f7 100644
--- a/components/efuse/src/esp32c3/esp_efuse_utility.c
+++ b/components/efuse/src/esp32c3/esp_efuse_utility.c
@@ -63,8 +63,14 @@ const esp_efuse_range_addr_t range_write_addr_blocks[] = {
 // Update Efuse timing configuration
 static esp_err_t esp_efuse_set_timing(void)
 {
-    uint32_t clock_hz = esp_clk_apb_freq();
-    return ets_efuse_set_timing(clock_hz) ? ESP_FAIL : ESP_OK;
+    // efuse clock is fixed in ESP32-C3, so the ets_efuse_set_timing() function
+    // takes an argument for compatibility with older ROM functions but it's ignored.
+    int res = ets_efuse_set_timing(0);
+    assert(res == 0);
+
+    REG_SET_FIELD(EFUSE_WR_TIM_CONF2_REG, EFUSE_PWR_OFF_NUM, 0x60);
+
+    return ESP_OK;
 }
 #endif // ifndef CONFIG_EFUSE_VIRTUAL
 
diff --git a/components/esptool_py/esptool b/components/esptool_py/esptool
index ed04f90c8e..4698b39673 160000
--- a/components/esptool_py/esptool
+++ b/components/esptool_py/esptool
@@ -1 +1 @@
-Subproject commit ed04f90c8ee3994bfedf90de8e2450126c69f196
+Subproject commit 4698b396730b23fb4aab023c5fb1744db957fc4c