diff --git a/python/requirements.txt b/python/requirements.txt
index e22373ecb8fd..2a9384e4e34e 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,3 +1,3 @@
 loguru >= 0.5, == 0.*
-cryptography == 37.*
+cryptography == 46.*
 string-color >= 1.2.1
diff --git a/src/tls/context.h b/src/tls/context.h
index fc3eb7b1345e..54fafcd0fa82 100644
--- a/src/tls/context.h
+++ b/src/tls/context.h
@@ -57,8 +57,8 @@ namespace tls
       SSL_set_ciphersuites(ssl, ciphersuites);
 
       // Restrict the curves to approved ones
-      SSL_CTX_set1_curves_list(cfg, "P-521:P-384");
-      SSL_set1_curves_list(ssl, "P-521:P-384");
+      SSL_CTX_set1_curves_list(cfg, "P-521:P-384:P-256");
+      SSL_set1_curves_list(ssl, "P-521:P-384:P-256");
 
       // Initialise connection
       if (client)