diff --git a/CMake/FindMbedTLS.cmake b/CMake/FindMbedTLS.cmake
index aa40485c..b6ef63ab 100644
--- a/CMake/FindMbedTLS.cmake
+++ b/CMake/FindMbedTLS.cmake
@@ -1,5 +1,8 @@
 find_path(MBEDTLS_INCLUDE_DIRS mbedtls/ssl.h)
 
+# mbedtls-3.0 changed headers files, and we need to ifdef'out a few things
+find_path(MBEDTLS_VERSION_GREATER_THAN_3 mbedtls/build_info.h)
+
 find_library(MBEDTLS_LIBRARY mbedtls)
 find_library(MBEDX509_LIBRARY mbedx509)
 find_library(MBEDCRYPTO_LIBRARY mbedcrypto)