diff --git a/sqlx-core/src/mysql/types/str.rs b/sqlx-core/src/mysql/types/str.rs
index 37e6f8982d..4b1fab4244 100644
--- a/sqlx-core/src/mysql/types/str.rs
+++ b/sqlx-core/src/mysql/types/str.rs
@@ -9,6 +9,7 @@ use crate::types::Type;
 const COLLATE_UTF8_GENERAL_CI: u16 = 33;
 const COLLATE_UTF8_UNICODE_CI: u16 = 192;
 const COLLATE_UTF8MB4_UNICODE_CI: u16 = 224;
+const COLLATE_UTF8MB4_BIN: u16 = 46
 
 impl Type<MySql> for str {
     fn type_info() -> MySqlTypeInfo {
@@ -34,7 +35,7 @@ impl Type<MySql> for str {
                 | ColumnType::Enum
         ) && matches!(
             ty.char_set,
-            COLLATE_UTF8MB4_UNICODE_CI | COLLATE_UTF8_UNICODE_CI | COLLATE_UTF8_GENERAL_CI
+            COLLATE_UTF8MB4_UNICODE_CI | COLLATE_UTF8_UNICODE_CI | COLLATE_UTF8_GENERAL_CI | COLLATE_UTF8MB4_BIN
         )
     }
 }