diff --git a/mongoose.h b/mongoose.h
index 0b537e0c..bf6699ce 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -40,6 +40,7 @@ extern "C" {
 #define MG_ARCH_NEWLIB 10
 #define MG_ARCH_RTX 11
 #define MG_ARCH_TIRTOS 12
+#define MG_ARCH_RP2040 13
 
 #if !defined(MG_ARCH)
 #if defined(__unix__) || defined(__APPLE__)
@@ -56,6 +57,8 @@ extern "C" {
 #define MG_ARCH MG_ARCH_AZURERTOS
 #elif defined(__ZEPHYR__)
 #define MG_ARCH MG_ARCH_ZEPHYR
+#elif defined(PICO_TARGET_NAME)
+#define MG_ARCH MG_ARCH_RP2040
 #endif
 
 #if !defined(MG_ARCH)
@@ -318,6 +321,18 @@ struct timeval {
 #endif
 
 
+#if MG_ARCH == MG_ARCH_RP2040
+#include <errno.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#endif
+
+
 #if MG_ARCH == MG_ARCH_RTX
 
 #include <ctype.h>
diff --git a/src/arch.h b/src/arch.h
index 4508c8f5..485c4fde 100644
--- a/src/arch.h
+++ b/src/arch.h
@@ -13,6 +13,7 @@
 #define MG_ARCH_NEWLIB 10
 #define MG_ARCH_RTX 11
 #define MG_ARCH_TIRTOS 12
+#define MG_ARCH_RP2040 13
 
 #if !defined(MG_ARCH)
 #if defined(__unix__) || defined(__APPLE__)
@@ -29,6 +30,8 @@
 #define MG_ARCH MG_ARCH_AZURERTOS
 #elif defined(__ZEPHYR__)
 #define MG_ARCH MG_ARCH_ZEPHYR
+#elif defined(PICO_TARGET_NAME)
+#define MG_ARCH MG_ARCH_RP2040
 #endif
 
 #if !defined(MG_ARCH)
diff --git a/src/arch_rp2040.h b/src/arch_rp2040.h
new file mode 100644
index 00000000..5511c66e
--- /dev/null
+++ b/src/arch_rp2040.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#if MG_ARCH == MG_ARCH_RP2040
+#include <errno.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#endif