diff --git a/src/AdafruitIO_Definitions.h b/src/AdafruitIO_Definitions.h
index 8c923d5f..65f60365 100644
--- a/src/AdafruitIO_Definitions.h
+++ b/src/AdafruitIO_Definitions.h
@@ -119,7 +119,7 @@ class AdafruitIOGroupCallback {
 // echo | openssl s_client -connect io.adafruit.com:443 | openssl x509
 // -fingerprint -noout
 #define AIO_SSL_FINGERPRINT                                                    \
-  "77 00 54 2D DA E7 D8 03 27 31 23 99 EB 27 DB CB A5 4C 57 18" ///< Latest
+  "59 3C 48 0A B1 8B 39 4E 0D 58 50 47 9A 13 55 60 CC A0 1D AF" ///< Latest
                                                                 ///< Adafruit IO
                                                                 ///< SSL
                                                                 ///< Fingerprint