diff --git a/source/core/security-client-side-encryption.txt b/source/core/security-client-side-encryption.txt
index 5845a23fdf7..1922cb244eb 100644
--- a/source/core/security-client-side-encryption.txt
+++ b/source/core/security-client-side-encryption.txt
@@ -445,6 +445,10 @@ the following official 4.2-compatible driver versions:
- ``2.8.0+``
- `Scala Documentation `__
+ * - :ecosystem:`C `
+ - ``1.17.5``
+ - `C Driver Client-Side Field Level Encryption `__
+
Please refer to the driver reference documentation for syntax and
implementation examples.