diff --git a/lib/libmbedtls/mbedtls/library/bignum.c b/lib/libmbedtls/mbedtls/library/bignum.c
index 2e45498..7094f89 100644
--- a/lib/libmbedtls/mbedtls/library/bignum.c
+++ b/lib/libmbedtls/mbedtls/library/bignum.c
@@ -2276,7 +2276,7 @@
                 A.p[A.n - 1] &= ( (mbedtls_mpi_uint) 1 << ( k - ( A.n - 1 ) * biL - 1 ) ) - 1;
             }
 
-            if (count++ > 30) {
+            if (count++ > 300) {
                 return MBEDTLS_ERR_MPI_NOT_ACCEPTABLE;
             }