diff --git a/CMakeLists.txt.in b/CMakeLists.txt.in
index 5cd73f6..605f8e3 100644
--- a/CMakeLists.txt.in
+++ b/CMakeLists.txt.in
@@ -46,7 +46,7 @@
 
 externalproject_add (
     nlohmann-json GIT_REPOSITORY "https://github.com/nlohmann/json.git" GIT_TAG
-    ea60d40f4a60a47d3be9560d8f7bc37c163fe47b SOURCE_DIR
+    b3e5cb7f20dcc5c806e418df34324eca60d17d4e SOURCE_DIR
     "${CMAKE_BINARY_DIR}/nlohmann-json-src" BINARY_DIR
     "${CMAKE_BINARY_DIR}/nlohmann-json-build" CONFIGURE_COMMAND "" BUILD_COMMAND
     "" INSTALL_COMMAND mkdir -p "${CMAKE_BINARY_DIR}/prefix/include/nlohmann" &&
diff --git a/include/json_html_serializer.hpp b/include/json_html_serializer.hpp
index a7d5297..174b086 100644
--- a/include/json_html_serializer.hpp
+++ b/include/json_html_serializer.hpp
@@ -588,6 +588,11 @@
             out += "null";
             return;
         }
+        case nlohmann::json::value_t::binary:
+        {
+            // Do nothing;  Should never happen.
+            return;
+        }
     }
 }