diff --git a/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp b/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp
index 5c2408818..c28bda239 100644
--- a/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp
+++ b/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp
@@ -66,7 +66,7 @@ class SSLContext {
 public:
     SSLContext() {
         if (_ssl_ctx_refcnt == 0) {
-            _ssl_ctx = ssl_ctx_new(SSL_SERVER_VERIFY_LATER | SSL_DEBUG_OPTS | SSL_CONNECT_IN_PARTS, 0);
+            _ssl_ctx = ssl_ctx_new(SSL_SERVER_VERIFY_LATER | SSL_DEBUG_OPTS | SSL_CONNECT_IN_PARTS | SSL_READ_BLOCKING, 0);
         }
         ++_ssl_ctx_refcnt;
     }
@@ -592,3 +592,7 @@ extern "C" void* ax_port_realloc(void* ptr, size_t size, const char* file, int l
 extern "C" void ax_port_free(void* ptr) {
     free(ptr);
 }
+
+extern "C" void ax_wdt_feed() {
+    optimistic_yield(10000);
+}
diff --git a/libraries/ESP8266WiFi/src/include/ssl.h b/libraries/ESP8266WiFi/src/include/ssl.h
index a18a756f7..f23d86af3 100644
--- a/libraries/ESP8266WiFi/src/include/ssl.h
+++ b/libraries/ESP8266WiFi/src/include/ssl.h
@@ -85,6 +85,7 @@ typedef struct SSL_ SSL;
 #define SSL_DISPLAY_CERTS                       0x00200000
 #define SSL_DISPLAY_RSA                         0x00400000
 #define SSL_CONNECT_IN_PARTS                    0x00800000
+#define SSL_READ_BLOCKING                       0x01000000
 
 /* errors that can be generated */
 #define SSL_OK                                  0
diff --git a/tools/sdk/lib/libaxtls.a b/tools/sdk/lib/libaxtls.a
index 6fd4763ff..9d09af2cf 100644
Binary files a/tools/sdk/lib/libaxtls.a and b/tools/sdk/lib/libaxtls.a differ